#8-18 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 
SpencerOHFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/8-18 x 5/85/16-18 x 5/8 gr5 hex flange bolt serration zinc77000
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SpencerOHFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/8-18 x 5/85/16-18 x 5/8 gr5 hex fl/b serration77000
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ACFCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear#8-18 x 3/4#8-18x3/4 hwh whiz lock ab t/s z/p rohs279800
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Plain5/8-18 x 2 1/2scr hex flange unserrated grade 8 (pl) 5/8-18x2 1/27,105
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/8-18 x 2 3/4scr hex flange unserrated grade 8 (po) 5/8-18x2 3/46,787
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Plain5/8-18 x 3 1/2scr hex flange unserrated grade 8 (pl) 5/8-18x3 1/2610
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Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-18 x 5scr hex flange unserrated grade 8 (zy) 5/8-18x5614
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