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Socket Head Cap Screws DIN 912 (ISO 4762) M3 in Bright Zinc Plated (BZP) high tensile steel class 12

Also known as an Allen screw or Allen bolt, or simply a cap screw. Socket Head Cap screws are a more modern alternative standard machine fastener to the standard hexagon headed bolt or setscrew, as found on much modern machinery. A hex key (otherwise known as an Allen key) is required to fit these fasteners. Conforming to DIN 912 or ISO 4762.
Socket Head Cap Screws DIN 912 (ISO 4762) in BZP-12.9 image
technical drawing of Socket Head Cap Screws DIN 912 (ISO 4762)
Technical Summary
d nominal diameter M3
thread pitch thread pitch 0.50
dk max. maximum head diameter 5.5
k max. maximum head height 3.0
s drive size 2.5
b minimum thread length 18
t recess depth 1.3
Standard ISO 4762 (DIN 912)
Material Bright Zinc Plated (BZP) high tensile steel class 12
all dimensions in millimetres (mm)
datasheet
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technical drawing of Socket Head Cap Screws DIN 912 (ISO 4762)
Technical Summary
d nominal diameter M3
thread pitch thread pitch 0.50
dk max. maximum head diameter 5.5
k max. maximum head height 3.0
s drive size 2.5
b minimum thread length 18
t recess depth 1.3
Standard ISO 4762 (DIN 912)
Material Bright Zinc Plated (BZP) high tensile steel class 12
all dimensions in millimetres (mm)
datasheet