Centre drill set in plastic box consisting out of 5 A200 centre drlls with a 60° straight conical form, double ended and cylindrical body, drill diameters 1.00, 2.00, 2.50, 3.15 and 4.00mm, according to DIN 333A standard to produce standardized centre holes according DIN 332 part 1 form A, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron
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