Home / Bolts and Machine Screws - Metric / M4 Socket Head Countersunk Screws ISO 10642 (DIN 7991) in A4 Stainless Steel

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M4 Socket Head Countersunk Screws ISO 10642 (DIN 7991) in A4 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 A4 image

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

Technical Summary

nominal diameter

thread pitch

0.70

dk max.

maximum head diameter

7.96

dk min.

minimum head diameter

7.53

k max.

maximum head height

2.48

k min.

minimum head height

2.121

s max.

maximum drive size

2.580

s min.

drive min.

2.520

minimum thread length

t max.

maximum recess depth

1.65

t min.

minimum recess depth

1.40

width across corners

3.82

Standard

ISO 10642 (DIN 7991)

Material

A4 Stainless Steel

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
M4 x 6mm Socket Head Countersunk Screw in A4 Stainless WF14442			£0.00
M4 x 8mm Socket Head Countersunk Screw in A4 Stainless WF14443			£0.00
M4 x 10mm Socket Head Countersunk Screw in A4 Stainless WF14433			£0.00
M4 x 12mm Socket Head Countersunk Screw in A4 Stainless WF14434			£0.00
M4 x 16mm Socket Head Countersunk Screw in A4 Stainless WF14435			£0.00
M4 x 20mm Socket Head Countersunk Screw in A4 Stainless WF14436			£0.00
M4 x 25mm Socket Head Countersunk Screw in A4 Stainless WF14437			£0.00
M4 x 30mm Socket Head Countersunk Screw in A4 Stainless WF14438			£0.00
M4 x 35mm Socket Head Countersunk Screw in A4 Stainless WF14439			£0.00
M4 x 40mm Socket Head Countersunk Screw in A4 Stainless WF14440			£0.00
M4 x 50mm Socket Head Countersunk Screw in A4 Stainless WF14441			£0.00

M4 x 6mm Socket Head Countersunk Screw in A4 Stainless
WF14442

M4 x 8mm Socket Head Countersunk Screw in A4 Stainless
WF14443

M4 x 10mm Socket Head Countersunk Screw in A4 Stainless
WF14433

M4 x 12mm Socket Head Countersunk Screw in A4 Stainless
WF14434

M4 x 16mm Socket Head Countersunk Screw in A4 Stainless
WF14435

M4 x 20mm Socket Head Countersunk Screw in A4 Stainless
WF14436

M4 x 25mm Socket Head Countersunk Screw in A4 Stainless
WF14437

M4 x 30mm Socket Head Countersunk Screw in A4 Stainless
WF14438

M4 x 35mm Socket Head Countersunk Screw in A4 Stainless
WF14439

M4 x 40mm Socket Head Countersunk Screw in A4 Stainless
WF14440

M4 x 50mm Socket Head Countersunk Screw in A4 Stainless
WF14441

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