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M12 Hex Head Flange Bolts without Serrations EN 1665 / DIN 6921 in Bright Zinc Plated (BZP) Class 10 High Tensile Steel

The DIN 6921 or EN 1665 flange bolt is a hexagon headed bolt or screw incorporating a flange, negating the need for a washer. Flange bolts are a more attractive alternative to their DIN 931 and DIN 933 hex driven counterparts. Typically used where the flange offers protection for the bolted component and where the driving tool may otherwise scratch its surface. Generally manufactured with a full thread, though occasionally some stock may include a partially threaded shank. This variant is plain, unserrated under the head.
Hex Head Flange Bolts without Serrations EN 1665 / DIN 6921 in BZP-10.9 image
technical drawing of Hex Head Flange Bolts without Serrations EN 1665 / DIN 6921
Technical Summary
d nominal diameter M12
thread pitch thread pitch 1.75
b min. minimum thread length 30
k max. maximum head height 11.5
s drive size 16
dc flange diameter 26.6
e width across corners 17.62
Standard DIN 6921
Material Bright Zinc Plated (BZP) Class 10 High Tensile Steel
all dimensions in millimetres (mm)
datasheet
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technical drawing of Hex Head Flange Bolts without Serrations EN 1665 / DIN 6921
Technical Summary
d nominal diameter M12
thread pitch thread pitch 1.75
b min. minimum thread length 30
k max. maximum head height 11.5
s drive size 16
dc flange diameter 26.6
e width across corners 17.62
Standard DIN 6921
Material Bright Zinc Plated (BZP) Class 10 High Tensile Steel
all dimensions in millimetres (mm)
datasheet