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80mm length Serrated Flange Screws (DIN 6921)

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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Buy Serrated Flange Screws from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
AspenPAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50 x 80m10-1.5 x 80mm, din 6921, metric, flange bolts, locking serrations, full thread, a2 stainless steel200
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM12-1.75 x 80hex fl/b serrations din 692115
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