5/8-11 Serrated Flange Screws

Serrated Flange Screws, Serrated Flange Bolts and commonly known by their trade name as Whiz-Lock Bolts, are unslotted hex head flange screws that have serrations under the flange, or on the bearing surface. The flange provides more strength than a regular hex screw, and in some applications, the serrations eliminate the need for lock washers or lock nuts.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/8-11 x 15/8-11x1 serrated hex flanged washer full thread grade 5 w/head markings zinc5,000
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-11 x 1 1/4scr hex flange unserrated grade 8 (zy) 5/8-11x1 1/4290
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Yellow5/8-11 x 1 1/4scr hex flange unserrated grade 5 (zy) 5/8-11x1 1/4120
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-11 x 1 1/45/8-11x1 1/4 serrated hex flanged washer full thread screw case hard zinc & bake5,000
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-11 x 1 1/2scr hex flange unserrated grade 8 (zy) 5/8-11x1 1/23,552
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NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/8-11 x 1 1/25/8-11 x 1 1/2 whizbolt z511,730
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NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/8-11 x 1 1/25/8-11 x 1 1/2 whizbolt gr5 zp 6224mww5zt500
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-11 x 1 1/25/8-11x1 1/2 serrated hex flanged washer full thread screw case hard zinc & bake3.750
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/8-11 x 1 1/25/8-11x1 1/2 serrated hex flanged washer full thread grade 5 w/head markings zinc3.750
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-11 x 1 3/4scr hex flange unserrated grade 8 (zy) 5/8-11x1 3/4290
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-11 x 1 3/45/8-11x1 3/4 serrated hex flanged washer full thread screw case hard zinc & bake3.750
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NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/8-11 x 25/8-11 x 2 whizbolt z5470
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-11 x 25/8-11x2 serrated hex flanged washer full thread screw case hard zinc & bake2.500
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/8-11 x 2 1/4scr hex flange unserrated grade 8 (po) 5/8-11x2 1/49,040
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-11 x 2 1/45/8-11x2 1/4 serrated hex flanged washer full thread screw case hard zinc & bake1.875
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-11 x 2 1/2scr hex flange unserrated grade 8 (zy) 5/8-11x2 1/22,212
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-11 x 2 1/25/8-11x2 1/2 serrated hex flanged washer full thread screw case hard zinc & bake1.875
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-11 x 2 3/4scr hex flange unserrated grade 8 (zy) 5/8-11x2 3/43,960
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/8-11 x 3scr hex flange unserrated grade 8 (po) 5/8-11x35,617
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Plain5/8-11 x 3scr hex flange unserrated grade 8 (pl) 5/8-11x3329
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-11 x 35/8-11x3 serrated hex flanged washer full thread screw case hard zinc & bake1.625
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-11 x 3 1/2scr hex flange unserrated grade 8 (zy) 5/8-11x3 1/21,010
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-11 x 3 1/25/8-11x3 1/2 serrated hex flanged washer full thread screw case hard zinc & bake1.250
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-11 x 4scr hex flange unserrated grade 8 (zy) 5/8-11x4225
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-11 x 4 1/2scr hex flange unserrated grade 8 (zy) 5/8-11x4 1/21
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/8-11 x 4 1/2scr hex flange unserrated grade 8 (po) 5/8-11x4 1/2210
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/8-11 x 5 1/2scr hex flange unserrated grade 8 (po) 5/8-11x5 1/2194
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-115/8-11 flanged serrated whizlock nut53
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-115/8-11 flanged serrated whizlock nut9
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WurthINFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/8-115/8-11 unc-2b hex flange ser case hrd zf coating per 705100300 cps 5035/5039 pack 200 per poly bag1,057
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ManscoMIFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/8-11hex flange nylon insert locknut ne pattern250
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