Home / Bolts and Machine Screws - Metric / M3 Unbrako Socket Head Countersunk Screws ISO 10642 in Black Oxide High Tensile Steel Class 12.9

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M3 Unbrako Socket Head Countersunk Screws ISO 10642 in Black Oxide High Tensile Steel Class 12.9

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. The head diameter is slightly larger than that of the equivalent DIN 965 Phillips or Pozi driven screw. UNBRAKO® branded and manufactured to be stronger than the other size for size high tensile versions. Includes a precision hex socket for maximum key engagement. Please note that due to the nature of the surface finish on Unbrako products, some surface corrosion may be evident. This does not affect the performance of the product. Property class of 12.9.

Unbrako Socket Head Countersunk Screws ISO 10642 in BO-12.9 image

technical drawing of Unbrako Socket Head Countersunk Screws ISO 10642

Technical Summary

nominal diameter

thread pitch

0.50

head diameter

6.0

head height

1.70

drive size

2.00

minimum thread length

recess depth

1.20

width across corners

0.50

Standard

ISO 10642 (DIN 7991)

all dimensions in millimetres (mm)

Unbrako Engineering Guide

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Description	Sale Qtys	Price
M3 x 6mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide WF48256 - 1618 in stock	single screw for £1.63 or box of 60 for £19.63 or bulk of 300 for £68.59	£0.00
M3 x 8mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide WF48257 - 2747 in stock	single screw for £1.65 or box of 60 for £19.85 or bulk of 300 for £69.26	£0.00
M3 x 10mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide WF48258 - 465 in stock	single screw for £1.63 or box of 60 for £19.65 or bulk of 300 for £68.68	£0.00
M3 x 12mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide WF48259 - 437 in stock	single screw for £1.89 or box of 50 for £18.93 or bulk of 250 for £66.54	£0.00
M3 x 15mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide WF48260 - 657 in stock	single screw for £2.32 or box of 40 for £18.64 or bulk of 200 for £65.63	£0.00
M3 x 16mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide WF48261 - 396 in stock	single screw for £2.41 or box of 40 for £19.52 or bulk of 200 for £68.31	£0.00
M3 x 20mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide WF48262 - 92 in stock	single screw for £2.39 or box of 40 for £19.18 or bulk of 200 for £67.33	£0.00
M3 x 25mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide WF48263 - 373 in stock	single screw for £2.42 or box of 40 for £20.16 or bulk of 200 for £70.30	£0.00
M3 x 30mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide WF48264 - 1471 in stock	single screw for £2.47 or box of 40 for £21.84 or bulk of 200 for £75.35	£0.00

M3 x 6mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide
WF48256 - 1618 in stock

single screw for £1.63
or box of 60 for £19.63
or bulk of 300 for £68.59

£0.00

M3 x 8mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide
WF48257 - 2747 in stock

single screw for £1.65
or box of 60 for £19.85
or bulk of 300 for £69.26

£0.00

M3 x 10mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide
WF48258 - 465 in stock

single screw for £1.63
or box of 60 for £19.65
or bulk of 300 for £68.68

£0.00

M3 x 12mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide
WF48259 - 437 in stock

single screw for £1.89
or box of 50 for £18.93
or bulk of 250 for £66.54

£0.00

M3 x 15mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide
WF48260 - 657 in stock

single screw for £2.32
or box of 40 for £18.64
or bulk of 200 for £65.63

£0.00

M3 x 16mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide
WF48261 - 396 in stock

single screw for £2.41
or box of 40 for £19.52
or bulk of 200 for £68.31

£0.00

M3 x 20mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide
WF48262 - 92 in stock

single screw for £2.39
or box of 40 for £19.18
or bulk of 200 for £67.33

£0.00

M3 x 25mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide
WF48263 - 373 in stock

single screw for £2.42
or box of 40 for £20.16
or bulk of 200 for £70.30

£0.00

M3 x 30mm Unbrako Socket Head Csk Screw Full Thread in Black Oxide
WF48264 - 1471 in stock

single screw for £2.47
or box of 40 for £21.84
or bulk of 200 for £75.35

£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

thread pitch

0.50

head diameter

6.0

head height

1.70

drive size

2.00

minimum thread length

recess depth

1.20

width across corners

0.50

Standard

ISO 10642 (DIN 7991)

all dimensions in millimetres (mm)

Unbrako Engineering Guide