M4 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.
