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M16 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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SupplierLocTypeMaterialFinishSizeDescriptionQty 
EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 12.9PlainM16 x 75/75M16x75/75 12.9 plain finish serrated hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM16-1.50 x 40M16-1.5x40 8.8 serrated zinc plated fine thread hex head flange screw din 6921inquire
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