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5/8 inch length Non-Serrated Flange Screw (ASME B18. 2.1)

Frame Bolts are hex washer head bolts with a flat washer bearing surface. They are made from high-alloy steel, and commonly used on truck frames, hence the name frame bolt. The flange eliminates the need for washers. They are covered under ASME Standard B18.2.1

8 results, (click on any line for more information)
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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 5/81/4-20x5/8 hex flange bolt grade 5 stl zc b18.2.1 ()21
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 5/83/8-16x5/8 hex flange bolt grade 8 stl pln b18.2.1 ()848
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)SteelPlain1/4-20 x 5/81/4-20x5/8 serr hex flange bolt zi 406019 b18.2.15663
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QFCTXFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/85/16-18x5/8 hex flange bolt w/serrations 18-8 s/s steel b18.2.1106259
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Marine FastenersFLFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/85/16-18x5/8 hex flange bolt ss w/serrations b18.2.1143870
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Bostwick INFlange Screw w/o serr. (Frame Bolt)SteelPlain1/4-20 x 5/81/4-20 x 5/8 hex washer head spin lock bolt b18.2.151
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 5/81/4-20x5/8 (ft) unslotted hex flange serrated screws steel grade-5 zinc plated b18.2.1500
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WSBKYFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/4-20 x 5/8screw hex flange gr8 po pat 1/4-20x5/8 b18.2.112,950
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