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5/8-18 Non-Serrated Flange Screw

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 
KBSTNFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 1/45/8-18 x 1 1/4 gr-8 flange bolt b18.2.1180
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Delta SecondaryILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 1 1/42275
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JacksonMSFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 1/2nf fl/b125
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WeaverWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 1/25/8-18x1 1/2 gr8 flange bolt plain40
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 1/25/8-18x1 1/2 hex flange bolt gr8 plain b18.2.1129
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 1 1/25/8-18x1 1/2 fine gr8 hex flange screw alloy phos40
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BoltCraftNEFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 1/25/8-18 x 1 1/2 hex flange cap screw fine thread grade 8 plain110
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NutsBoltsNEFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18 x 1 1/25/8-18 x 1 1/2 frame bolt147
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow5/8-18 x 1 1/2screw hex flange unser gr8 (zy) 5/8-18x1 1/2 (W040) (W040)3,175
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Clarcorp WIFlange Screw w/o serr. (Frame Bolt)SteelNickel5/8-18 x 1 1/2fl/b hex hd blk122
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 1 1/25/8-18x1 1/2 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate3.750
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Infasco DOHFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 1/25/8-18 x 1 1/2 hex hd flange screw j429-8 unf ft p150
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 1/2nf gr8 hex fl/b pl18
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JacksonMSFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 3/4nf fl/b56
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 3/45/8-18 x 1 3/4 hex flange bolt gr.8 plain b18.2.160
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 1 3/45/8-18x1 3/4 fine gr8 hex flange screw alloy phos b18.2.1115
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CIFILFlange Screw w/o serr. (Frame Bolt)Superalloy (Inconel, Hastelloy, Alloy 20)Passivated5/8-18 x 1 3/45/8-18x1 3/4 12 poin flange screw 17-4 phillips ss cond h900 passivated per astm a967 per print (6) (6) (6) ()6
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SRFALFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 3/4fl/b11
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NutsBoltsNEFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18 x 1 3/45/8-18 x 1 3/4 frame bolt169
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MidStatesMIFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 3/4gr8 fl/b 10/unit50
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FastWareSaskFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow5/8-18 x 1 3/4nf hex fl/b no serrations1,038
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 1 3/45/8-18x1 3/4 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate3.750
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 1 3/4nf gr8 hex fl/b pl80
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JacksonMSFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2nf fl/b170
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 25/8-18x2 hex flange bolt gr8 plain b18.2.1114
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 25/8-18x2 hex flange bolt gr8 plain b18.2.116
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 25/8-18x2 hex flange bolt grade 8 phos/oil b18.2.12991
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NutsBoltsNEFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18 x 25/8-18 x 2 frame bolt421
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LippinCAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2flange bolt gr-8 fine plain125
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DeltaTXFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear5/8-18 x 2flange bolt gr 8 zinc 5/8-18 x 2 (FINE THREAD)652
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WurthINFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 25/8-18 x 2 hex flange screw gr8 phos/oil784
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KBSTNFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18 x 25/8-18 x 2 twelve pt flange bolt b18.2.170
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 25/8-18x2 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate3.750
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2nf gr8 hex fl/b pl21
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/85/8-18 x 2 1/8 dome flange track shoe bolts gr 8 plain b18.2.151
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JacksonMSFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/4nf fl/b96
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/45/8-18 x 2 1/4 hex flange bolt gr.8 plain b18.2.1120
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EndriesWIFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear5/8-18 x 2 1/45/8-18x2-1/4 grade 8 body bound bolt zinc mack3ax1922150
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NutsBoltsNEFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18 x 2 1/45/8-18 x 2 1/4 frame bolt148
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 2 1/45/8-18x2 1/4 fine gr8 hex flange screw alloy phos95
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow5/8-18 x 2 1/4screw hex flange unser gr8 (zy) 5/8-18x2 1/450
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/45/8-18 x 2-1/4 hex flange bolt gr 8 b18.2.15875
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 2 1/45/8-18x2 1/4 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate3.750
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Infasco DOHFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 2 1/45/8-18 x 2 1/4 hex hd flange screw j429-8 unf ft zph+oil phos / oil12320
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Infasco DILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 2 1/45/8-18 x 2 1/4 hex hd flange screw j429-8 unf ft zph+oil phos / oil110
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/4nf gr8 hex fl/b pl122
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JacksonMSFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/2nf fl/b40
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/25/8-18 x 2 1/2 hex flange bolt gr.8 plain b18.2.179
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OBRIENOHFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/2hex flange fr/b gr8115
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EndriesWIFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear5/8-18 x 2 1/25/8-18x2-1/2 grade 8 body bound bolt zinc mack3ax1923349
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NutsBoltsNEFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18 x 2 1/25/8-18 x 2 1/2 frame bolt86
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LippinCAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/2flange bolt gr-8 fine plain55
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DeltaTXFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear5/8-18 x 2 1/2flange bolt gr 8 zinc 5/8-18 x 2 1/2 (FINE THREAD)101
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow5/8-18 x 2 1/2screw hex flange unser gr8 (zy) 5/8-18x2 1/2139
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/25/8-18x2 1/2 hex flange bolt gr8 plain b18.2.110
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 2 1/25/8-18x2 1/2 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate3.500
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HodellOHFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear5/8-18 x 2 1/25/8-18x2-1/2 grade 8 flange bolttover zinc-train () ()80
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 2 1/2nf gr8 hex fl/b pl7
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 2 3/4fine gr8 hex fl/b phos13
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 2 3/45/8-18x2 3/4 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate3.125
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JacksonMSFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 3nf fl/b66
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WeaverWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 35/8-18x3 gr8 flange bolt plain10
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 35/8-18 x 3 hwh flange bolts gr 8 plain b18.2.133
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 3fine gr8 hex fl/b phos b18.2.175
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SRFALFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 3fl/b172
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NutsBoltsNEFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18 x 35/8-18 x 3 frame bolt125
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CNBILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 3hex fl/b,gr8,blk/phos60
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 3hex flange screw unser grade 8 zfshr 5/8-18x3 (W020)2,246
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 35/8-18x3 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate3.125
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Infasco DOHFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 35/8-18 x 3 hex hd flange screw j429-8 unf n p595
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 3nf gr8 hex fl/b pl21
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 3 1/4nf gr8 hex fl/b pl6
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WeaverWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 3 1/25/8-18x3 1/2 gr8 flange bolt plain50
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 3 1/25/8-18x3 1/2 fine gr8 hex flange screw alloy phos50
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 3 1/25/8-18x3 1/2 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate2.875
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Bostwick INFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 3 1/25/8-18 x 3 1/2 flange bolt (frame bolt) gr 8 b18.2.112
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 3 1/2nf gr8 hex fl/b pl18
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CNBILFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 3 3/4hex fl/b2488
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NutsBoltsNEFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18 x 45/8-18 x 4 frame bolt
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FastWareSaskFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 4nf hex fl/b no serrations50
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 4fine gr8 hex fl/b phos7
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 45/8-18x4 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate2.500
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 4nf gr8 hex fl/b pl9
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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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KBSTNFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18 x 4 1/25/8-18 x 4 1/2 twelve pt flange bolt b18.2.133
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 4 1/25/8-18x4 1/2 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate2.250
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 4 3/45/8-18x4 3/4 hex flange bolt grade 8 phos coated for 72 hours to red rust (4501) (4501) (3349) ()3349
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 55/8-18x5 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate1.875
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 5 1/25/8-18x5 1/2 hex flange bolt grade 8 plain (350) (350) (350) ()350
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 65/8-18x6 hex flange bolt grade 8 phos coated for 72 hours to red rust (42) (42) 42
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 6 1/25/8-18x6 1/2 hex flange bolt grade 8 plain (1897) (1897) (1737) ()1737
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 6 1/25/8-18x6 1/2 hex flange bolt grade 8 phos coated for 72 hours to red rust (62) ()62
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Delta SecondaryILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-18 x 8 1/21620
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18 x 133.305/8-18x133.30 mm hex flange bolt grade 8 cut to length and turned to pd (10) (10) (10) ()10
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8Cadmium5/8-18 x 133.305/8-18x133.30 mm hex flange bolt grade 8 cad plated per ih g-18 class 5 (89) (89) (89) ()89
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Wurth AdaMNFlange Screw w/o serr. (Frame Bolt)SteelPhosphate5/8-18nut hex flange auto grade g (po) 5/8-18800
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Wurth AdaMNFlange Screw w/o serr. (Frame Bolt)SteelZinc/Yellow5/8-18nut hex flange auto grade g (zy) 5/8-18175
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/8-185/8-18 hex flange locknut unserrated grade 8 phos coated for 72 hours to red rust per b-2 g-1 (123) (123) (250) ()250
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OBRIENOHFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18hex flange gr8265
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WSBKYFlange Screw w/o serr. (Frame Bolt)Grade GZinc/Yellow5/8-18nut hex flange grg (zy) 5/8-18 b18.2.11,408
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WurthINFlange Screw w/o serr. (Frame Bolt)SteelPhosphate5/8-185/8-18 hex flange locknut gr g phos/oil5,844
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CONTAERONJFlange Screw w/o serr. (Frame Bolt)Grade GPlain5/8-18flange oval lock grg70526
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CONTAERONJFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/8-18hex flange gr8 72 hr179100
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CONTAERONJFlange Screw w/o serr. (Frame Bolt)SteelPlain5/8-18gr.g flange oval lock161752
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