Set Screw, M4x12, Socket Cone Point 

M4x14 socket drive cone point set screw found on the SC4 bench lathe. The lathe has 5 of these pins; two fit into the intermediate shaft retainer (part #157) and three fit into the under side of the press plate (part # 230).

M4 x 12 Socket Cone Point Set Screw - Part # 156 on SC4 parts diagram (SC4-156).