Home / Bolts and Machine Screws - Metric / M12 Socket Head Countersunk Screws ISO 10642 (DIN 7991) in Bright Zinc Plated (BZP) Class 10 High Tensile Steel

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M12 Socket Head Countersunk Screws ISO 10642 (DIN 7991) in Bright Zinc Plated (BZP) Class 10 High Tensile 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 BZP-10.9 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 (DIN 7991)

all dimensions in millimetres (mm)

				ISO 10642 Standard HTML
				ISO 10642 Standard PDF

< View All Sizes

Description	Sale Qtys	Price
M12 x 20mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF26308 - 471 in stock	sachet of 2 for £2.59 or box of 80 for £25.41 or bulk of 400 for £83.84	£0.00
M12 x 25mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF19913 - 374 in stock	single screw for £1.56 or box of 50 for £17.43 or bulk of 250 for £60.16	£0.00
M12 x 30mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF19914 - 1313 in stock	sachet of 2 for £2.80 or box of 50 for £20.52 or bulk of 250 for £69.33	£0.00
M12 x 35mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF19915 - 646 in stock	single screw for £2.05 or box of 40 for £18.27 or bulk of 200 for £62.63	£0.00
M12 x 40mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF19916 - 774 in stock	single screw for £2.27 or box of 40 for £19.95 or bulk of 200 for £67.61	£0.00
M12 x 50mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF19917 - 792 in stock	single screw for £2.55 or box of 40 for £23.43 or bulk of 200 for £77.89	£0.00
M12 x 60mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF19918 - 270 in stock	single screw for £3.02 or box of 30 for £28.63 or bulk of 150 for £97.87	£0.00
M12 x 70mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF19919 - 61 in stock	single screw for £2.89 or box of 20 for £18.12 or bulk of 100 for £62.17	£0.00
M12 x 75mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF19920 - 143 in stock	single screw for £3.33 or box of 20 for £25.48 or bulk of 100 for £84.24	£0.00
M12 x 80mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF20259 - 114 in stock	single screw for £3.07 or box of 20 for £20.87 or bulk of 100 for £70.37	£0.00
M12 x 90mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF19921 - 111 in stock	single screw for £3.46 or box of 30 for £35.09 or bulk of 150 for £128.50	£0.00
M12 x 110mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9 WF32812 - 57 in stock	single screw for £5.50 or box of 10 for £29.63 or bulk of 50 for £103.69	£0.00

M12 x 20mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF26308 - 471 in stock

sachet of 2 for £2.59
or box of 80 for £25.41
or bulk of 400 for £83.84

£0.00

M12 x 25mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF19913 - 374 in stock

single screw for £1.56
or box of 50 for £17.43
or bulk of 250 for £60.16

£0.00

M12 x 30mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF19914 - 1313 in stock

sachet of 2 for £2.80
or box of 50 for £20.52
or bulk of 250 for £69.33

£0.00

M12 x 35mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF19915 - 646 in stock

single screw for £2.05
or box of 40 for £18.27
or bulk of 200 for £62.63

£0.00

M12 x 40mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF19916 - 774 in stock

single screw for £2.27
or box of 40 for £19.95
or bulk of 200 for £67.61

£0.00

M12 x 50mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF19917 - 792 in stock

single screw for £2.55
or box of 40 for £23.43
or bulk of 200 for £77.89

£0.00

M12 x 60mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF19918 - 270 in stock

single screw for £3.02
or box of 30 for £28.63
or bulk of 150 for £97.87

£0.00

M12 x 70mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF19919 - 61 in stock

single screw for £2.89
or box of 20 for £18.12
or bulk of 100 for £62.17

£0.00

M12 x 75mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF19920 - 143 in stock

single screw for £3.33
or box of 20 for £25.48
or bulk of 100 for £84.24

£0.00

M12 x 80mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF20259 - 114 in stock

single screw for £3.07
or box of 20 for £20.87
or bulk of 100 for £70.37

£0.00

M12 x 90mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF19921 - 111 in stock

single screw for £3.46
or box of 30 for £35.09
or bulk of 150 for £128.50

£0.00

M12 x 110mm Socket Head Countersunk Screw in Bright Zinc Plate 10.9
WF32812 - 57 in stock

single screw for £5.50
or box of 10 for £29.63
or bulk of 50 for £103.69

£0.00

Prices are subject to quantity discounts based on a sliding scale. Enter the desired quantity in the relevant box in the table above. This will automatically calculate a line price indicating the applicable rate for the quantities selected. All prices shown exclude VAT.

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 (DIN 7991)

all dimensions in millimetres (mm)

				ISO 10642 Standard HTML
				ISO 10642 Standard PDF