DCN4 DC Centre Drill - 60°

Centre drill (combined drill and countersink) with 60° straight conical form, double ended and cylindrical body, size 4 with 1/8" drill diameter, a body diameter of 5/16" and an overall length of 2.1/8", according to Precision standard to produce form A centre holes, solid carbide and bright finish for machining free machining, plain carbon, alloy and tool steel, grey, malleable, ductile, austenitic or austempered ductile and compacted graphite cast-iron, wrought and cast aluminium, copper or copper alloys and polymers