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 have a smooth Cup Point end and are made of the highest tensile available.
Use Allen key size = 5mm
Metric Fine Thread
Thread pitch = 1.25mm
High Tensile Class 14.9
Plain Black Finish
