Home / Bolts and Machine Screws - Metric / M3 Socket Head Countersunk Screws ISO 10642 (DIN 7991) in A2 Stainless Steel

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M3 Socket Head Countersunk Screws ISO 10642 (DIN 7991) in A2 Stainless Steel

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

thread pitch

0.50

dk max.

maximum head diameter

5.81

dk min.

minimum head diameter

5.54

k max.

maximum head height

1.860

k min.

minimum head height

1.522

s max.

maximum drive size

2.080

s min.

drive min.

2.020

minimum thread length

t max.

maximum recess depth

1.25

t min.

minimum recess depth

1.10

width across corners

2.303

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
M3 x 4mm Socket Head Csk (Allen) Screw in A2 Stainless WF74677			£0.00
M3 x 5mm Socket Head Csk (Allen) Screw in A2 Stainless WF2539			£0.00
M3 x 6mm Socket Head Csk (Allen) Screw in A2 Stainless WF2540			£0.00
M3 x 8mm Socket Head Csk (Allen) Screw in A2 Stainless WF2541			£0.00
M3 x 10mm Socket Head Csk (Allen) Screw in A2 Stainless WF2542			£0.00
M3 x 12mm Socket Head Csk (Allen) Screw in A2 Stainless WF2543			£0.00
M3 x 16mm Socket Head Csk (Allen) Screw in A2 Stainless WF2544			£0.00
M3 x 18mm Socket Head Csk (Allen) Screw in A2 Stainless WF74670			£0.00
M3 x 20mm Socket Head Csk (Allen) Screw in A2 Stainless WF2545			£0.00
M3 x 22mm Socket Head Csk (Allen) Screw in A2 Stainless WF74672			£0.00
M3 x 25mm Socket Head Csk (Allen) Screw in A2 Stainless WF2546			£0.00
M3 x 30mm Socket Head Csk (Allen) Screw in A2 Stainless WF2547			£0.00
M3 x 40mm Socket Head Csk (Allen) Screw in A2 Stainless WF16363			£0.00
M3 x 50mm Socket Head Csk (Allen) Screw in A2 Stainless WF19691			£0.00

M3 x 4mm Socket Head Csk (Allen) Screw in A2 Stainless
WF74677

M3 x 5mm Socket Head Csk (Allen) Screw in A2 Stainless
WF2539

M3 x 6mm Socket Head Csk (Allen) Screw in A2 Stainless
WF2540

M3 x 8mm Socket Head Csk (Allen) Screw in A2 Stainless
WF2541

M3 x 10mm Socket Head Csk (Allen) Screw in A2 Stainless
WF2542

M3 x 12mm Socket Head Csk (Allen) Screw in A2 Stainless
WF2543

M3 x 16mm Socket Head Csk (Allen) Screw in A2 Stainless
WF2544

M3 x 18mm Socket Head Csk (Allen) Screw in A2 Stainless
WF74670

M3 x 20mm Socket Head Csk (Allen) Screw in A2 Stainless
WF2545

M3 x 22mm Socket Head Csk (Allen) Screw in A2 Stainless
WF74672

M3 x 25mm Socket Head Csk (Allen) Screw in A2 Stainless
WF2546

M3 x 30mm Socket Head Csk (Allen) Screw in A2 Stainless
WF2547

M3 x 40mm Socket Head Csk (Allen) Screw in A2 Stainless
WF16363

M3 x 50mm Socket Head Csk (Allen) Screw in A2 Stainless
WF19691

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