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DIN9861 D Precision Punch with Countersunk head, similar to ISO 6752
Material HSS (High speed steel) Shaft: 64HRC+/-2, Head: 50HRC +/-5
Material HWS (High carbon high chrome steel) Shaft: 62HRC+/-2, Head: 50HRC +/-5
Material ASP (Vanadis 23 - High performance powdered high speed steel) Shaft: 64HRC+/-2, Head: 50HRC +/-5
Coating TIN (PVD Process) Colour gol coating thickness 2-4μm
TG Shear - please ask for further details
DIN 9861 D Precision Punch with countersunk (conical) head are hardened, tempered, ground and lapped all over. Head hot forged and annealed. In contrast to type DIN 9861 DA these have a fine ground finished shaft (d1) h6 tolerance up to the head.