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Allen Bolts M20 x 40mm in Bright Zinc Plate 12.9 - ISO 4762 (DIN 912)

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. Please note that due to manufacturing limitations, all nylon variants of these items are only "similar to" and not "in absolute accordance with" the standard specified.
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 M20
thread pitch thread pitch 2.50
dk max. maximum head diameter 30.0
k max. maximum head height 20.0
s drive size 17
b minimum thread length 52
t recess depth 10.0
Standard ISO 4762 (DIN 912)
Material Bright Zinc Plated (BZP) high tensile steel class 12
all dimensions in millimetres (mm)
datasheet
Description Sale Qtys Qty Price Breakdown Despatch Estimate
Allen Bolts M20 x 40mm in Bright Zinc Plate 12.9
(WF34559)
£6.16
Allen Bolts M20 x 40mm in Bright Zinc Plate 12.9   (WF34559)
£6.16
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technical drawing of Socket Head Cap Screws DIN 912 (ISO 4762)
Technical Summary
d nominal diameter M20
thread pitch thread pitch 2.50
dk max. maximum head diameter 30.0
k max. maximum head height 20.0
s drive size 17
b minimum thread length 52
t recess depth 10.0
Standard ISO 4762 (DIN 912)
Material Bright Zinc Plated (BZP) high tensile steel class 12
all dimensions in millimetres (mm)
datasheet