... etc.2.Head type: Hexagon head, Mushroom head, Pan head, Countersunk head, Bugle head, Oval head, Hex flange head, Button head, Triangular head , Round head, Ball head , Spherical Cheese Head, Hexagon socket head , etc ... . Other machines including Spring machine Jinju & 502S, Shaft machine Liqiang ,Auto lathes Libo & XB,CNC machine SHENGYU & SYX42,Inclinable press machine WORLD & J23-80/ J23 ...