Non-Serrated Flange Screw, Grades L7, L7M

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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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Spring BoTXFlange Screw w/o serr. (Frame Bolt)Grades L7, L7MZinc/Yellow1/2-13 x 11/2(13) x 1 hex flange screw per drawing grade grade l7m zinc yellow b18.2.1 b18.2.1 usainquire
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Spring BoTXFlange Screw w/o serr. (Frame Bolt)Grades L7, L7MPlain3/8-16 x 13/8(16) x 1 hex flange screw a320 grade l7m b18.2.1 b18.2.1 usainquire
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Spring BoTXFlange Screw w/o serr. (Frame Bolt)Grades L7, L7MPlain1/2-13 x 1 1/41/2(13) x 1-1/4 hex flange screw a320 grade l7 b18.2.1 b18.2.1 usainquire
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Spring BoTXFlange Screw w/o serr. (Frame Bolt)Grades L7, L7MZinc/Yellow1/2-13 x 11/2(13) x 1 hex flange screw per drawing grade grade l7m zinc yellow b18.2.1 usainquire
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Spring BoTXFlange Screw w/o serr. (Frame Bolt)Grades L7, L7MPlain3/8-16 x 13/8(16) x 1 hex flange screw a320 grade l7m b18.2.1 usainquire
    Contact_Supplier
Spring BoTXFlange Screw w/o serr. (Frame Bolt)Grades L7, L7MPlain1/2-13 x 1 1/41/2(13) x 1-1/4 hex flange screw a320 grade l7 b18.2.1 usainquire
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CIFILFlange Screw w/o serr. (Frame Bolt)Grades L7, L7MPlain1 1/2 x 61 1/2 x 6 astm a320 l7 hex bolt blank no threads full body102
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CIFILFlange Screw w/o serr. (Frame Bolt)Grades L7, L7MPlain1-8 x 5.95hex sh/b, 2.25 hex head, 1.25 body, l7, , per print 85-j2030-sb1-a2
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