Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. Hex Key Screw Head : Counterbore Countersink Diam, in, 60° (C) Clearance Drills (D) Diam, in Height, in Diam, in (A) Depth, in (B) DIN 7991 ISO Metric Countersunk Socket Head Screws. SIZE DIAM ETE R HEX KEY SIZE 6605 N. Gessner Houston, TX 77040-4015 Ph: 713-462-3147 sales@thenutplace.com www thenutplace com How do I determine the Wrench size or Hex Key size for Hex Head Bolts and Socket Heads? Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. They were one of the first international standards agreed when the International Organization for Standardization (ISO) was set up in 1947. [citation needed]The "M" designation for metric screws indicates the nominal outer diameter of the screw thread, in millimetres (e.g. The ISO metric screw thread is the most commonly used type of general-purpose screw thread worldwide. 6 Results Screw Length: 35 mm Size: M8 Clear All. (Nominal diameter is more of a label than a size. In fact, the bolt diameter is a little smaller and the nut diameter a little larger. Choice of material: Stainless steel A2 can be used in combination with most Stainless steel grades with similar or lower corrosion resistance. M8 Socket Screw/Bolt, Countersunk, High Tensile Grade 10.9 Self Colour, DIN 7991. For screws of nominal length above the heavy line in Table 1B the complete (full form) threads measured with a thread ring gage, having the thread chamfer and/or counterbore removed, shall extend to within two pitches (threads) of the head for sizes 0 (0.060 in.) Grainger's got your back. M8 x 1.00 x 20 MM (FT) Fine Thread ISO 4762 / DIN 912 Class 12.9 Socket Head Cap Screw Alloy Steel Black Oxide Pk 25 Phone: 1-800-558-2808. imperialsupplies.com. Imperial has made a concerted effort to provide accurate information in its catalog and on its web site, however Imperial assumes no responsibility for the accuracy of the information. Searching for M8-1.25 Socket Head Cap Screws? ... Everbilt M8-1.25 x 35 mm Plain Socket Cap Recessed Hex Screw (2 per Pack) (2) Model# 803428 $ 2 20 /bolt. For example, a bolt and nut may be described as being ½” diameter. Screw Size Decimal Equiv. Size Shoulder Diameter Head Diameter Head Height Hexagon Socket Size Key Engagement Thread Pitch Thread Length; 6.00: 5.990: 10.00: 4.500: 3.00 : 5.00-.08: 9.750: 8.00 Pitch (mm): 1.25 Allen key Size (mm): 5 High Tensile Self Colour Countersunk Socket Screws Grade 10.9. ISO 4762 - Bumax® 88 Hexagon Socket Head Cap Screw -- M3, M4, M5, M6, M8, M10, M12, M16, M20, M24 from BUFAB USA, Inc. equivalent metric bolt substitution – astm grade bolt sizes f - 568 class 4.6 f - 568 class 8.8 f - 588 class 8.8.3 f - 568 class 9.8 f - 568 class 10.9 a - 325m type 1 or 2 a - 325m type metric english 3 (mm) (inches) hole diam (mm) english - astm grade specified a - 449 type 1 a - 354 grade bd m6 m8 m10 m12 m14 1/4 5/16 7/16 1/2 9/16 Get It Fast. CAP SCREW HEAD WRENCH SIZE CHART. But neither the external threads of the bolt nor the internal threads of the nut are exactly .500 in diameter. Sort by: Top Sellers. ½ ” diameter nor the internal threads of the first international standards agreed when the international Organization Standardization... First international standards agreed when the international Organization for Standardization ( ISO ) was set up in 1947 nut exactly... Size ( mm ): 1.25 Allen key Size ( mm ): Allen! 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