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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
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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
Material Black Oxide High Tensile Steel Class 10.9
all dimensions in millimetres (mm)
Unbrako Engineering Guide
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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
Material Black Oxide High Tensile Steel Class 10.9
all dimensions in millimetres (mm)
Unbrako Engineering Guide
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