Serrated Flange Screws, 316, 317, A4 Stainless (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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GLFOHFlange Screw w serr. (Whiz-Lock eq.)316, 317, A4 StainlessPlainM5-0.80 x 8serr hex flg screw 316 stainless w/patch screw din 69211235

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