HSS cone and deburring countersink set, sheet steel case, 6 parts. Supplied = assembled. Finish = bare. Colour = silver. Suitable for (material) = steel/cast iron/non-ferrous and aluminium. Shape = shape C. Conforms to = DIN 335 shape C. Number of parts = 6 pcs. Min. drill range = 6.3 mm. Max. drill range = 20.5 mm. Cutting material = HSS. Product type = cones and deburrers. High strength hinge. DIN 335 shape C. Right hand cut. 90° countersink angle. Three cutting edges. Cylindrical shaft. Deep ground flutes. Polished surface. High performance steel. Ideal for deburring and countersinking steel, cast iron, non-ferrous and light metals, as well as for burr and chatter free countersinking.