3/8-24 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 
JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-243/8-24 nf serrated whiz flange locknut1108
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-243/8-24 flanged serrated whizlock nut300
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OlanderCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-243/8-24 flange nut whizlok stl zn nonrohs2298
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ACFCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-243/8-24 grade f nylon insert hex flange locknut z/p rohs1500
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ISSCOMOFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Clear3/8-24 x 3/4hex flanged serrated3450
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-24 x 13/8-24x1 serrated hex flanged washer full thread screw case hard zinc & bake12.500
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-24 x 3/43/8-24x3/4 serrated hex flanged washer full thread screw case hard zinc & bake12.500
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-24 x 23/8-24x2 serrated hex flanged washer full thread screw case hard zinc & bake12.500
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AccutiteCAFlange Screw w serr. (Whiz-Lock eq.)SteelBlack Oxide3/8-24 x 3/4serrated hex fl/b case hardened w nylon patch1,000
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