A2421.0X4.0 Centre Drill - 60°

Centre drill (combined drill and countersink) with 60° straight conical form, double ended and cylindrical body, 1.00mm drill diameter, a body diameter of 4.00mm and an overall length of 100mm, according to DORMER standard to produce standardized centre holes according DIN 332 part 1 form A, cobalt based HSS-E and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron