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4 1/4 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

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Buy Non-Serrated Flange Screw from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 4 1/45/8-18x4 1/4 hfb g8 phos b18.2.1625
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NWFASTTXFlange Screw w/o serr. (Frame Bolt)Grade B8MPlain1 1/4-0 x 4 1/41 1/4-0 x 4 1/4 blank full body heavy hex head a193/a320 grade b8m class 1 316 stainless steel b18.2.176
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