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Socket Head Countersunk Screw M16 x 40mm in A4 Stainless - ISO 10642 (DIN 7991)

A countersunk headed screw conforming with ISO 10642 or DIN 7991, requiring a hex key (otherwise known as an Allen key) to fit. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. Generally manufactured with a full thread, though occasionally some stock may include a partially threaded shank. The head diameter is slightly larger than that of the equivalent DIN 965 Phillips or Pozi driven screw.
Socket Head Countersunk Screws ISO 10642 (DIN 7991) in A4 image
technical drawing of Socket Head Countersunk Screws ISO 10642 (DIN 7991)
Technical Summary
d nominal diameter M16
thread pitch thread pitch 2.00
dk max. maximum head diameter 30.61
dk min. minimum head diameter 29.01
k max. maximum head height 8.800
k min. minimum head height 7.874
s max. maximum drive size 10.175
s min. drive min. 10.025
b minimum thread length 48
t max. maximum recess depth 5.40
t min. minimum recess depth 4.80
e width across corners 11.429
Standard ISO 10642 (DIN 7991)
Material A4 Stainless Steel
all dimensions in millimetres (mm)
datasheet
Description Sale Qtys Qty Price Breakdown Despatch Estimate
Socket Head Countersunk Screw M16 x 40mm in A4 Stainless
(WF37301)
£5.66
Socket Head Countersunk Screw M16 x 40mm in A4 Stainless   (WF37301)
£5.66
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technical drawing of Socket Head Countersunk Screws ISO 10642 (DIN 7991)
Technical Summary
d nominal diameter M16
thread pitch thread pitch 2.00
dk max. maximum head diameter 30.61
dk min. minimum head diameter 29.01
k max. maximum head height 8.800
k min. minimum head height 7.874
s max. maximum drive size 10.175
s min. drive min. 10.025
b minimum thread length 48
t max. maximum recess depth 5.40
t min. minimum recess depth 4.80
e width across corners 11.429
Standard ISO 10642 (DIN 7991)
Material A4 Stainless Steel
all dimensions in millimetres (mm)
datasheet