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This precision punch is made of Cr12MoV cold work die steel, heat-treated to HRC 55–60, featuring excellent wear resistance and impact resistance for long-cycle stamping operations.
- Material: Cr12MoV
- Hardness: HRC55–60 after quenching
- Tolerance: Φ30 h7 (0/-0.021), Φ20 ±0.02
- Concentricity: 0.005 mm (Datum A)
- Thread: M8-7H, depth 20mm
- Overall length: 142mm
- Surface finish: Ra0.8 on functional working surface
- Process: CNC turning, internal threading, heat treatment, precision grinding
Custom punch for building material machinery stamping moulds. We support custom punch pins, die punches, mould core parts with strict tolerance control.
Contact us for custom stamping punch inquiry & quotation.