Home / Bolts and Machine Screws - Metric / M12 x 18mm Socket Head Csk (Allen) Screw in A2 Stainless - ISO 10642

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M12 x 18mm Socket Head Csk (Allen) Screw in A2 Stainless - ISO 10642

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 A2 image

technical drawing of Socket Head Countersunk Screws ISO 10642 (DIN 7991)

Technical Summary

nominal diameter

M12

thread pitch

1.75

dk max.

maximum head diameter

26.88

dk min.

minimum head diameter

24.81

k max.

maximum head height

7.440

k min.

minimum head height

6.711

s max.

maximum drive size

8.175

s min.

drive min.

8.025

minimum thread length

t max.

maximum recess depth

4.90

t min.

minimum recess depth

4.30

width across corners

9.149

Standard

ISO 10642

all dimensions in millimetres (mm)

				ISO 10642 Standard HTML
				ISO 10642 Standard PDF

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Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
M12 x 18mm Socket Head Csk (Allen) Screw in A2 Stainless WF74640			£1.74

M12 x 18mm Socket Head Csk (Allen) Screw in A2 Stainless WF74640

£1.74

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