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M20 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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Buy Serrated Flange Screws from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
EndriesWIFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM20 x 40M20x40 class 10.9 hex serrated flange bolt plain din 6921425
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM20 x 70M20x70 8.8 plain finish serrated hex head flange screw din 6921inquire
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM20-2.50 x 70hex fl/b serrations 46 thread length din 69212,460
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM20 x 130M20x130 8.8 plain finish serrated hex head flange screw din 6921inquire
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