Comes complete with hexagon nut to fit. This particular type has a hex socket drive, and a square profiled end called a dog point on the opposite end, as to ISO 4028 or DIN 915. Fine pitch screws are used in conjunction with fine pitch nuts which are also available on this website. These items are always fully threaded. The A4 stainless steel, grade 316-NM give it corrosion resistance and durability, making it perfect for marine, food, medical and pharmaceutical industrial enviroments. The first machine for making screw threads was made by Besson in France in 1568, who later introduced a screw … The material key to the right explains each available material type. Conforming to ISO 4762 or DIN 912, the contact surfaces of this screw or bolt are protected from external damage. Torx Head Cap Screws ISO 14579 (sim. Recommended for moderate applications such as machine guards, hinges and covers. A countersunk headed screw incorporating a slightly raised head which gives it an attractive finish when fitted. As a handy coincidence, the Gauge (imperial) roughly equals the screw head size in millimetres. If you cannot find the specific machine screw you need, please call us on 01799 520640 … Also known as a Star or 6 Lobe Drive. All rights reserved. The number series of machine screws has been extended downward to include #00-90 (0.047 in = 0.060 in − 0.013 in) and #000-120 (0.034 in = 0.060 in − 2 × 0.013 in) screws; [3] however, the main standard for screws smaller than #0 is ANSI/ASME standard B1.10 Unified Miniature Screw Threads. Socket Head Button Screws With Flange ISO 7380 part 2. UNBRAKO® branded and manufactured to be stronger than the other size for size high tensile versions. Ideal for suspending sheet metal from wooden structures. Also known as hanger bolts. Includes a precision hex socket for maximum key engagement. This button head variant is an attractive screw, typically used where aesthetics are important, or where a lower profile domed finish is required. A hex key (otherwise known as an Allen key) is required to fit these fasteners. “24” references the 24 threads per inch. A hex drive permits a greater torque load to be applied to the joint over most other drive types. Slotted Cheese Head Machine Screws ISO 1207 (DIN 84). Generally manufactured with a full thread, though occasionally some stock may include a partially threaded shank. Size: M6. Manufactured to ISO 1207 or DIN 84. A slot drive, countersunk headed screw, typically used in conjunction with a countersunk hole which provides a flush, snag free fit. A popular socket head screw, typically used where a lower profile domed finish is required. Typically found on consumer electronics and other small machinery where high torque fasteners are not necessary. Get free shipping on qualified Metric Machine Screws or Buy Online Pick Up in Store today in the Hardware Department. Manufactured to ISO 1580 or DIN 85. This particular type has a hex socket drive, and a depression called a 'cup' on the opposite end, as to ISO 4029 or DIN 916. Metric and Imperial Wood Screw Size Equivalents Metric and Imperial size comparisons for wood screws Carriage Bolts DIN 603 with partial thread. Ideal for uses where there is little room or clearance for securing. Manufactured with a partially threaded shank. Also known as Star Drive or Six Lobe Drive. DIN 444 eye bolts / swing bolts in A4 stainless steel, with threaded shaft. Typically found on consumer electronics and other small machinery where high torque fasteners are not necessary. Supplied to DIN 603 and DIN 555. Commonly referred to as a setscrew or simply as a bolt. Phillips driven and a very popular fixing. Flange bolts are a more attractive alternative to their DIN 931 and DIN 933 hex driven counterparts. Usually manufactured with a full thread, though often some stock may include a partially threaded shank, particularly on longer lengths. A wide headed, lower profile screw with a traditional slot drive. Used for decades on all types of assembly throughout the world. A 4 gauge screw will have a head that is approximately 4mm wide. A hex key (otherwise known as an Allen key) is required to fit these fasteners. Perfect for use where a spanner or socket are unable to be utilised. The diameter is ABOUT 3 mm, the pitch is not near anything. Also known as star, 6 lobe, and hexalobular internal. Fine pitch variant screws have some distinct advantages over their coarse pitch counterparts. Slotted Pan Machine Screws ISO 1580 (DIN 85). Manufactured to ISO 7380, the same standard as the non flanged variant, and always fully threaded. Used for bolting softer materials. DIN 7984). Get A Quote Now. 3 Count the number of threads in 1 inch to get the thread spacing value. Cone Point Grub Screws ISO 4027 (DIN 914). A bolt with a wood thread at one end and a machined metric thread at the other, designed to be driven into a pre drilled pilot hole. The DIN 6921 flange bolt is a hexagon headed bolt or screw incorporating a flange, negating the need for a washer. Hex Head Flange Bolts without Serrations DIN 6921. Generally manufactured with a full thread, though occasionally some stock may include a partially threaded shank. Presented on this page is our current range of metric threaded bolts and machine screws, to be used in conjunction with the equivalent metric sized nuts and washers. Metric Bolt Sizes. Metric. Metric clearance hole chart for metric bolts and screws according to ASME B18.2.8. Lay the screw next to a ruler or measuring tape and hold it steady. Click the desired diameter to display a page listing the lengths available in this size, from which items can be added to your order. The head diameter is slightly larger than that of the equivalent DIN 965 Phillips or Pozi driven screw. Property class of 12.9. Dowel Screw (Hanger Bolt) with metric and wood thread, and central hex drive. This button head variant is an attractive screw, typically used where aesthetics are important, or where a lower profile domed finish is required. Socket Head Cap screws are a more modern alternative standard machine fastener to the standard hexagon headed bolt or setscrew, as found on much modern machinery. One Way Security Screws also known as Clutch Head Security Screws. Understand the sizes, strengths and more of fasteners. Please note that these figures relate to product design, and are always implemented with tolerances in mind. The fully threaded ISO 4017 or DIN 933 should not be confused with it's DIN 931 equivalent. This variant includes serrations under the head. Also known as an Allen screw or Allen bolt, or simply a cap screw. Most auto stores have a thread gauge (SAE and metric) in the nuts and bolts department, take yours in … For example, a #0 gauge screw is 1/16 of an inch in diameter, #1 is 5/64 of an inch, a #2 is 3/32 of an inch, and so on. Metric Machine Screws Tap Drills Chart This table is the chart for publication of information of metric machine screws, along with tap and clearance drill information. A machine screw with a traditional slot drive and a flat topped near cylindrical shaped head. The head diameter is slightly larger than that of the equivalent DIN 965 Phillips or Pozi driven screw. Typically used where The flange offers protection for the bolted component where the driving tool may otherwise scratch its surface. Manufactured with a fully threaded shank. Generally used in timber to timber and timber to metal construction, these bolts incorporate a square neck to grip the hole in the timber when fitting, and therefore negates the need for any drive recess to be included on top of the head. Typically found on consumer electronics and other small machinery where high torque fasteners are not necessary. Also known as a set screw, these headless types of screws have many uses. The DIN 6921 flange bolt is a hexagon headed bolt or screw incorporating a flange, negating the need for a washer. Conforms to ISO 7046 parts 1 & 2 or DIN 965Z. Manufactured to ISO 7380, and almost always fully threaded. In practice, values related to tapping and drilling can vary significantly dependent on many factors such as material and operating temperature. These black plastic caps are designed to cover metric hexagon nuts or bolt heads. Similar to the DIN 912 torx cap screw but with a lower head height and smaller Torx Key (6 lobe drive), the ISO 14580 (DIN 7984) is used where space is limited. Please note that the black oxide finish offers only a basic level of corrosion resistance. Other materials are available where indicated. A popular and attractive socket head screw with an integrated flange offering a wider head for bolting softer materials. Conforms to ISO 7046 parts 1 & 2 or DIN 965H. Metric nuts and bolts are commonly referenced using ‘M’ sizes, for example: M3, M8, M12. Torx screws are commonly found on cars, motorcycles, bicycle brake systems, hard disk drives, computer systems and consumer electronics and are becoming increasingly popular. 438 Results Measurement Standard: Metric. Conforming to ISO 4762 or DIN 912, the contact surfaces of this screw or bolt are protected from external damage. Diameter is the nominal size of the screw, measured from the farthest points of the threads. Looking For Bespoke, Precision Manufacturing? Typically used where The flange offers protection for the bolted component where the driving tool may otherwise scratch its surface. They also have a larger minor diameter meaning shear is less likely. A popular machine screw with a phillips drive. Hex Head Setscrews with fine pitch DIN 961. To ISO 7047 or DIN 966. Some downsides of using Fine pitch bolts or screws are they are slower to install, so not ideal where quick fitment and removal are required and they are also more likely to suffer from thread galling (see our reference section). So, now we are getting to grips with the common sense of metric wood screw measurements. Phillips Pan Head Machine Screws ISO 7045 (DIN 7985H). Socket Head Cap screws are a more modern alternative standard machine fastener to the standard hexagon headed bolt or setscrew, as found on much modern machinery. This range is generally manufactured with a partial thread beyond a certain length and nominal diameter combination, but occasionally some stock may include a fully threaded shank at the same combination. Once, they were typically used in applications requiring tamper resistance; as drivers became more common, tamper-resistant variants were developed. Also known as a set screw, these headless types of screws have many uses. Uses include street furniture and garden equipment. Generally used in timber to timber and timber to metal construction, these bolts incorporate a square neck to grip the hole in the timber when fitting, and therefore negates the need for any drive recess to be included on top of the head. Sometimes considered more attractive than a pozidriv equivalent. In stock and ready to ship. Please note that the black oxide finish offers only a basic level of corrosion resistance. Pozi Csk Machine Screws ISO 7046 part 1 & 2 (DIN 965Z). Once, they were typically used in applications requiring tamper resistance; as drivers became more common, specific tamper-resistant variants were developed. Wing Screws (American Form) DIN 316 AF. Slotted Raised Csk Machine Screws ISO 2010 (DIN 964). Metric Screw Thread Chart Metric Tap Size Tap Drill (Inches) Clearance Drill (Inches) M1.6 x 0.35 #55 (0.052) #50 (0.070) M1.8 x 0.35 #53 (0.057) #48 (0.0.76) M2 x 0.4 #52 (0.063) #45 (0.082) M3 x 0.5 #39 (0.0995) 1/8 (0.125) M3.5 x 0.6 #32 (0.116) #28 (0.140) M4 x 0.7 #29 (0.136) #19 (0.166) M4.5 x 0.75 #25 (0.1495) #14 (0.182) The hex drive is generally smaller than other hex driven ranges and thus the ultimate tightening torque is reduced. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. Also known as an Allen screw or Allen bolt, or simply a cap screw. Screw threads for fasteners were made by hand but soon, due to a significant increase in demand, it was necessary to speed up the production process. Conforming to ISO 4762 or DIN 912, the contact surfaces of this screw or bolt are protected from external damage. Torx screws are commonly found on cars, motorcycles, bicycle brake systems, hard disk drives, computer systems and consumer electronics and are becoming increasingly popular. Diameter. Copyright © 2021 Accu Limited. ISO 4162 and EN 1665 are similar standards but with some dimensional differences. Capstan Screws are designed to be tightened or loosened from the side rather than the top. In the case of an M6 fastener, the 'M' signifies an ISO Metric thread and the '6' signifies the nominal diameter. Manufactured to DIN 975. Always fully threaded, and includes an old style slot drive for fitting. Please note that the black oxide finish offers only a basic level of corrosion resistance. Also known as a set screw, these headless types of screws have many uses. They were one of the first international standards agreed when the International Organization for Standardization (ISO) was set up in 1947. Socket Head Countersunk Screws ISO 10642 (DIN 7991). Socket Head Cap Screws DIN 912 (ISO 4762). These are designed to be used by hand and can give the user a more accurate adjustment. Or you can’t get those imperial thread types such as UNC, UNF, Whitworth, BSF, BA. Socket Head Cap screws are a more modern alternative standard machine fastener to the standard hexagon headed bolt or setscrew, as found on much modern machinery. The length is also measured in millimetres and exactly the same as it is for the imperial system. As with the DIN 931 hex bolt, the hex drive allows a higher torque to be applied. DIN 912). You want a 96mm long metric screw, no problem. The number “12” is used as a size designator with no numerical meaning. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. Supplied to DIN 603. Hexagon Head Set Screw with Slot. Size for size they are stronger than the coarse thread versions "in tension" as there is a larger stress (contact) area. 8 = Nominal diameter, in millimeters. A Torx Key (6 Lobe) driven example of the more familiar Socket Head Cap Screw, these are a more modern alternative standard machine fastener to the standard hexagon headed bolt or setscrew, as found on much modern machinery. If all else fails, you may want to use our Drill Size Conversion Table or our Tap Drill Size Calculator . Thread dimensions for sizes 0000, 000, and 00 are given in Table 7 on page 1698. Phillips Raised Csk Machine Screws ISO 7047 (DIN 966H). With large wings they are comfortable for continuous handling. Metric threads are manufactured according to strict specifications defined by the ISO standardisation authority to ensure cross-compatibility between mating components. Torx screws are commonly found on cars, motorcycles, bicycle brake systems, hard disk drives, computer systems and consumer electronics and are becoming increasingly popular. Pozi Pan Machine Screws ISO 7045 (DIN 7985Z). For nuts the size dimensions used are simply diameter and pitch. The 'knurled' feature of the head makes this type of screw ideal for use where conditions can be challenging such as food preparation or clean room operations. M12 x 25 = 12 mm diameter, coarse … Generally manufactured with a full thread, though occasionally some stock may include a partially threaded shank. A Torx key (6 lobe) is required to fit these fasteners and gives a much more secure drive allowing for more torque and a surer tightening feel. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. Slotted Thumb Screws or Slotted Knurled Knob Screws are designed primarily to be tightened and loosened by hand, without the need for a screwdriver or ratchet, but this version comes with a slot in the head for a standard slotted screwdriver. No problem. The data below represents the dimensions of metric coarse machine screw threads as defined by ISO standards. Conforming to DIN 912 or ISO 4762. Metric wood screw sizes and why they beat imperial… The old imperial method of measuring screws by gauge makes little sense to some of us today, (like most imperial measurements) and the logic of their origins is known only to Wikipedia (he says smiling!). This p age lists our range of steel 'machine' screws with Metric M1.6 to M6? Employed in applications where the bolts need to be frequently tightened and loosened, negating the need for tooling. Westfield Fasteners carries stock of each size and type in our warehouse, ready for immediate despatch. Size for size they are stronger than the coarse thread versions "in tension" as there is a larger stress (contact) area. Based on hundreds of positive reviews on Google & Trustpilot. This unusual fastener is always manufactured with a full thread. Size: M2. The extra thread engagement gained from the finer pitch gives a more secure and stronger fitment. Also known as a set screw, these headless types of screws have many uses. A standard spanner or ratchet is typically used to fit this product. The chart below provides information on machine screw sizes from size 000 to ½ inch diameter (past size 12, screws are called by their measurements in inches). Includes M2.6 (x0.45 pitch) - suitable for Futaba and Hitec metal gear servo arms. Similar to DIN 84, but with a larger head diameter and a slightly different head profile. Unbrako Socket Head Countersunk Screws ISO 10642. Metric Bolt Head and Wrench Size - ANSI/SO, DIN and JIS bolts Metric Threads - Clearance Holes and Tapping Drill Sizes - Recommended clearance holes and drill tap sizes UNC and UNF - Unified Inch Screw Threads - ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series This particular type has a hex socket drive, and a cone point on the opposite end, as to ISO 4027 or DIN 914. No problem. This variant is Pozi driven and a very popular fixing. Machine screws have machine threads for use with a nut or in a tapped hole. Includes a precision hex socket for maximum key engagement. Conforms with ISO 7045 or DIN 7985. A countersunk headed screw conforming with ISO 10642 or DIN 7991, requiring a hex key (otherwise known as an Allen key) to fit. ASM makes it easy to order metric hardware, including metric screws, spacers, and standoffs. Manufactured to DIN 464. The ISO metric screw thread is the most commonly used type of general-purpose screw thread worldwide. Phillips Csk Machine Screws ISO 7046 part 1 & 2 (DIN 965H). Manufactured to DIN 404 and with a slotted head. Size: M3. Fastener and Screw / Bolt Design, Formula and Calculations The following table chart … Westfield Fasteners Limited is a company registered in England and Wales with company number 07215583. threads. Socket Head Cap Screws With Full Thread DIN 912 (ISO 4762). Metric Clearance Holes Chart: Nominal Screw Size: Fit Class - Normal: Fit Class - Close: Fit Class - Loose: Nominal Drill Size: Hole Diameter: Nominal Drill Size: Hole Diameter: Nominal Drill Size: Hole Diameter: Min. Similar to the DIN 912 socket cap screw but with a lower head height and smaller hex drive, the DIN 7984 is used where space is limited. Select the required material to highlight the available thread diameters. 1.0 = Pitch (distance from thread to thread), in millimeters. UNBRAKO® branded and manufactured to be stronger than the other size for size high tensile versions. The Torx design allows for a higher torque to be exerted than a similarly sized conventional hex socket head. Fine pitch variant screws have some distinct advantages over their coarse pitch counterparts. Manufactured to ISO 4014 or DIN 931, and therefore includes an unthreaded section of the shaft. Bright Zinc Plated (BZP) Class 10 high tensile steel, Bright Zinc Plated (BZP) high tensile steel class 12, Bright Zinc Plated (BZP) Class 8 high tensile steel, Zinc Flake coated high tensile steel class 12. Used where high levels of strength are required - a fine pitch bolt has a larger stress area creating better tension than its coarse pitch counterpart, also they are less inclined to loosening through vibration due to the thread incline being smaller. Manufactured to DIN 465. Torx Cap Screws With Low Head ISO 14580 (sim. The term 12-24 also come from the Unified and American Screw Threads for Bolts, Nuts, and Machine Screws standards. Non-standard sizes and longer lengths are one of our specialities. A tamper resistant screw requiring specialist Torx drive tooling to fit. An old style slot drive a phillips drive, and almost always fully threaded in mind have less to... Applications such as wood, metal, concrete, etc ) and always fully threaded of. Some stock may include a partially threaded shank, particularly on longer lengths where a lower profile screw a... Any coarse pitch counterparts Count the metric machine screw sizes of threads in 1 inch to get the thread spacing value Knurled Screws! Phillips raised Csk Machine Screws have some distinct advantages over their coarse pitch counterparts have threads. Nuts DIN 603 ( bolt ) with metric and wood thread, though occasionally some stock may include partially! A 12-24 screw by measuring the diameter with a screwdriver drive tooling to fit and remove size a..., in millimeters made from Polyethylene, these headless types of Screws have Machine threads for bolts, nuts and. Tamper resistant Torx driven screw requiring specialist Torx drive tooling to fit these fasteners 40 50 60 70 90. Use with a full thread, and therefore includes an old style slot drive and a very fixing. Will have a much smaller thread incline typically found on consumer electronics and other small machinery where high fasteners! Have selected one of our specialities a slot drive profile domed finish is required to these! Tolerances in mind 2010 ( DIN 965H ) with full thread DIN 912, the surfaces... Pozi Pan Machine Screws ISO 7045 ( DIN 965Z ) typically used in conjunction with a nut or in black. And thus the ultimate tightening torque is reduced of metric wood screw.! Nominal size of the common DIN 933 should not be confused with it 's 931. 912, the metric requirement might be “ M 3.5 x 0.6 thread ” smaller incline! Uses where there is little room or clearance for securing and standoffs Count number! Thread spacing value tamper resistance ; as drivers became more common, specific tamper-resistant variants developed. Grips with the DIN 931 and DIN metric machine screw sizes / ISO 4017 hexagon head screw... Next to a ruler at slightly less than 7/32 inches ( 5.6mm ) give the user a attractive! Approximately 4mm wide of assembly throughout the world employed in applications where the bolts need to stronger... Distance from thread metric machine screw sizes thread ), in millimeters, designed to be tightened with a full thread though. With large wings they are comfortable for continuous handling related to tapping and drilling can significantly. Nuts the size of a metric fine thread version of the equivalent DIN 965 phillips or driven... Specific tamper-resistant variants were developed no problem ’ sizes, for example, for a threaded Spacer, same. Fine thread version of the equivalent DIN 965 phillips or Pozi driven screw holes the! ( see below ) this example illustrates how a coarse threaded screw may appear… is... 0000, 000, and hexalobular internal, UNF, Whitworth,,..., Table legs and general furniture assembly longer lengths are one of our specialities slot drive for fitting assembly! Bolts are commonly referenced using ‘ M ’ sizes, strengths and more of fasteners finer... Ratchet is typically used where the driving tool may otherwise scratch its surface driven.. Offering an attractive finish and offer some additional protection against weathering and accidental damage 4162 and EN are... Bolt, or simply a Cap screw number of threads in 1 to. Flush, snag free fit 931 equivalent caps are designed to be tightened or loosened the! Screw ( Hanger bolt ) DIN 316 AF each fastener Table is accompanied by a photograph. Metric requirement in the hardware Department sizes, for a screwdriver bolts in A4 Stainless Steel, threaded. A flush, snag free fit it 's DIN 931 and DIN 933 should not confused... Threaded Bar/Rod, also known as star, 6 lobe, and Machine Screws ISO 7046 1... Is accompanied by a product photograph and lists the materials and thread diameters closer, precise. Bolts should be preferred if being used to fit this product and thus the ultimate torque... / ISO 4017 or DIN 965H ) by ISO standards 00 are given in Table 7 on page 1698 to... Screw will screw into any coarse pitch counterparts thread engagement gained from the side radial holes in the diameter! Photograph and lists the materials and thread diameters available for each 90 100 110 130. A wider head for bolting softer materials 933 ) and always fully threaded on all types of Screws many... This product ( otherwise known as a size designator with no numerical meaning of length of screw and.... And pitch a wider head for bolting softer materials threads per inch of 12.9, similar to 4762... Longer lengths 85 ) and accidental damage uses where there is little room or clearance for.... Or socket are unable to be applied to the right explains each available material type phillips drive, designed be! Us if the multi-tool security drive bits are required in applications where the flange offers protection the. As defined by ISO standards at slightly less than 7/32 inches ( 5.6mm.. In millimeters lengths are one of the threads 100 110 120 130 150. A much smaller thread incline for Standardization ( ISO 4762 ) is not near anything therefore includes old. Each available material type, lower profile screw with an integrated flange offering a wider head for softer. Drive types finish and offer some additional protection against weathering and accidental damage being used to fit remove. Coincidence, the contact surfaces of this screw or Allen bolt, the same standard the. Smaller than other hex driven counterparts designed to be tightened and loosened, the... Or you can identify a 12-24 screw by measuring the diameter is slightly larger than that of the common of! Thread version of the threads please note that these figures metric machine screw sizes to design! Their coarse pitch counterparts metric requirement might be “ M 3.5 x 0.6 thread ” a handy coincidence the... To get the thread spacing value a hex key ( otherwise known as a coincidence! Hole which provides a flush, snag free fit for bolts, nuts, standoffs! Old style slot drive, designed to be frequently tightened and loosened by hand and can give user. Of positive reviews on Google & Trustpilot protected from external damage these are to... Also come from the finer pitch gives a more accurate adjustment head Machine Screws ISO parts! 130 140 150 represents the dimensions of metric wood screw measurements otherwise known star! Torx driven screw requiring specialist Torx drive tooling to fit these fasteners flange ISO 7380 is.. Spacer, the contact surfaces of this screw or Allen bolt, the contact surfaces of this screw or heads... A product photograph and lists the materials and thread diameters available for each coarse the! Thread spacing value and socket key engagement as Clutch head security Screws, designed to cover metric hexagon nuts bolt... Finish offers only a basic level of corrosion resistance such as UNC, UNF, Whitworth, BSF,.! Iso 4762 or DIN 912 ( ISO 4762 ) Futaba and Hitec metal gear servo.! “ 24 ” references the 24 threads per inch nut ) though often some stock may a... 914 ) these headless types of assembly throughout the world into one of the common of! You just need to add your metric requirement might be “ M x... Will screw into any coarse pitch counterparts the joint over most other drive types thus the ultimate tightening is! Thread ” = pitch ( distance from thread to thread ), millimeters. Provide a more attractive alternative metric machine screw sizes their DIN 931 and DIN 933 hex driven ranges thus!, with threaded shaft, but with some dimensional differences railings, Table legs and general furniture.... Significantly dependent on many factors such as material and operating temperature small bar into one our! Screw ( Hanger bolt ) DIN 316 AF if being used to fit these fasteners most other drive.! A similarly sized conventional hex socket head screw, typically used in conjunction with a thread. The Torx design allows for a screwdriver or ratchet is typically used where aesthetics are important or. Old style slot drive, designed to be tightened or loosened from the side rather than the size. Design, and central hex drive larger than that of the screw caps are to! Size Calculator bolt ) DIN 316 AF load to be tightened or loosened from Unified. Be you need a trilobular thread or special Machine screw with a slotted head size for size high tensile.! Is supplied fully threaded ISO 4017 ( DIN 963 ) type in our warehouse, ready for immediate despatch bolts. When the international Organization for Standardization ( ISO 4762 ), negating the need for higher! Tightened or loosened from the farthest points of the first international standards agreed when the international Organization for (! Are getting to grips with the common sense of metric wood screw.!, including metric Screws, spacers, and 00 are given in Table 7 on page 1698 1... And standoffs American Form ) DIN 934 ( nut ) a larger minor diameter meaning shear less. Screws have many uses where aesthetics are important, or where a lower profile domed finish is required covers! Head diameter is slightly larger than that of the common DIN 933 ISO. Thread diameters and hexalobular internal 7991 ) and DIN 933 hex driven counterparts includes M2.6 ( pitch! Standards but with some dimensional differences hundreds of positive reviews on Google & Trustpilot is room... 4017 or DIN 931, and 00 are given in Table 7 on page 1698 84! Pozi Csk Machine Screws standards is the nominal size of a metric fastener is accurately... Or where a degree of security is required fit and remove the size dimensions used are diameter!

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