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M4 Unbrako Socket Low Head Cap Screws DIN 7984 in Black Oxide High Tensile Steel Class 10.9

High quality and high strength low profile socket head cap screws. Unbrako branded, with a black oxide finish. Also know as low head Allen screws or bolts, or simply a low head cap screw. Used where there is limited clearance. 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. Conforms to ISO 262, DIN 7984, 6912, ANSI B1.13M, with a property class of 10.9.
Unbrako Socket Low Head Cap Screws DIN 7984 in BO-10.9 image
Unbrako logo
technical drawing of Unbrako Socket Low Head Cap Screws DIN 7984
Technical Summary
d nominal diameter M4
Thread Pitch 0.70
Dk max 7
k max 2.8
s drive size 3
b minimum thread length 20
t recess depth 1.48
Standard DIN 7984
all dimensions in millimetres (mm)
Unbrako Engineering Guide
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Description Sale Qtys Qty Price Breakdown Despatch Estimate
M4 x 8mm Unbrako Low Socket Head Cap (Allen) Screw in Black Oxide
WF58443 - 247 in stock
single screw for £2.51
or box of 40 for £23.73
or bulk of 200 for £81.00
£0.00  
M4 x 10mm Unbrako Low Socket Head Cap (Allen) Screw in Black Oxide
WF58444 - 304 in stock
single screw for £2.45
or box of 40 for £21.31
or bulk of 200 for £73.77
£0.00  
M4 x 12mm Unbrako Low Socket Head Cap (Allen) Screw in Black Oxide
WF58445 - 172 in stock
single screw for £2.52
or box of 30 for £18.10
or bulk of 150 for £64.09
£0.00  
M4 x 16mm Unbrako Low Socket Head Cap (Allen) Screw in Black Oxide
WF58447 - 270 in stock
single screw for £2.63
or box of 30 for £21.30
or bulk of 150 for £73.77
£0.00  
M4 x 20mm Unbrako Low Socket Head Cap (Allen) Screw in Black Oxide
WF58449 - 155 in stock
single screw for £2.74
or box of 30 for £24.35
or bulk of 150 for £83.34
£0.00  
M4 x 25mm Unbrako Low Socket Head Cap (Allen) Screw in Black Oxide
WF58450 - 104 in stock
single screw for £2.94
or box of 20 for £19.88
or bulk of 100 for £69.45
£0.00  
M4 x 30mm Unbrako Low Socket Head Cap (Allen) Screw in Black Oxide
WF58451 - 123 in stock
single screw for £3.08
or box of 15 for £17.04
or bulk of 75 for £60.92
£0.00  
single screw for £2.51
or box of 40 for £23.73
or bulk of 200 for £81.00
£0.00
 
single screw for £2.45
or box of 40 for £21.31
or bulk of 200 for £73.77
£0.00
 
single screw for £2.52
or box of 30 for £18.10
or bulk of 150 for £64.09
£0.00
 
single screw for £2.63
or box of 30 for £21.30
or bulk of 150 for £73.77
£0.00
 
single screw for £2.74
or box of 30 for £24.35
or bulk of 150 for £83.34
£0.00
 
single screw for £2.94
or box of 20 for £19.88
or bulk of 100 for £69.45
£0.00
 
single screw for £3.08
or box of 15 for £17.04
or bulk of 75 for £60.92
£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.
Unbrako logo
technical drawing of Unbrako Socket Low Head Cap Screws DIN 7984
Technical Summary
d nominal diameter M4
Thread Pitch 0.70
Dk max 7
k max 2.8
s drive size 3
b minimum thread length 20
t recess depth 1.48
Standard DIN 7984
all dimensions in millimetres (mm)
Unbrako Engineering Guide
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