Socket Screw – Type SOC
Type SOC has a +/- 0.001 tolerance shoulder diameter starting at 1/4” thru 2”. The tolerance on the shoulder length is +/- 0.005. All Socket Shoulder Screws have a hex recess for a drive. They are through hardened to Rc 32 – 43 and are similar to a grade 8 fastener. Parts are generally supplied in a black condition and then the shoulder is ground to a silver appearance.