YL10.2 Ultra-Fine Grain (0.6-0.8μm) Tungsten Carbide Punch with HRA 91.5+ Hardness and TRS ≥3800 MPa for Cold Heading

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YL10.2 Tungsten Carbide Cold Heading & Forming Tool for Fastener Manufacturing High-Performance T-Head Pressing Punch for Precision Fastener Forming In cold heading and precision forming operations, the pressing punch is the critical tool that transforms raw material into finished fasteners, components, and precision parts. When that punch wears prematurely or fails to maintain its geometry, the result is inconsistent part quality, increased scrap rates, and costly production