A Socket set screws is also known as a Grub screw. It has no head, the length is measured overall and are fastened using a hexagonal wrench also known as an Allen key.
These Dog Point type have an unthreaded protruding cylindrical tip (the "dog") that fits into a pre-drilled hole, slot, or groove on a mating part.
Use Allen key size = 4mm
Thread pitch = 1.25mm
High Tensile Class 14.9
Plain Black Finish
