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Product Description
DIN9861D Precision Punch with Countersunk Head
These precision punches with countersunk (conical) head. DIN 9861D, 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.
Please contact us with your special requests/drawings for quoting. We are happy to convert any punch and die supplier coding
Specification
Material D2 (HWS) (High carbon high chrome steel) Hardness HRC - Shaft: 60~64, Head: 45~55
Material M2 (HSS) (High speed steel) Hardness HRC - Shaft: 62~66, Head: 45~55
Material ASP (Vanadis 23 - High performance powdered high speed steel) Hardness HRC- Shaft: 60~64, Head: 45~55
Material WC - Tungsten Carbide - available on request
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Technical Data