● DIN 9861
● Material :ASP 23 , HWS , HSS
● Head hot upset-forged and tempered
● In D222,D224 punches residual upset bulge below head normally much smaller than permissible acc. to DIN 9861.
● In D223,D225 punches shank and head subsequently precision plunge ground for perfect Concentricity and full interchangeability with replacment punches.

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