Description
Centre drill (combined drill and countersink) with 60° curved conical form, double ended and cylindrical body, 0.50mm drill diameter, a body diameter of 3.15mm and an overall length of 25mm, according to DIN 333R standard to produce standardized centre holes according DIN 332 part 1 form R, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron
