TiN Coated Carbide Punch Sleeve, Precision Mold Bushing for Cold Heading Die
✅ High Hardness Tungsten Carbide Base Material
Excellent compressive strength and outstanding wear resistance, effectively reduce abrasion during long-term stamping & cold heading work.
✅ Optional Surface Treatment
TiN golden coating, black nitriding coating available. Lower friction coefficient, anti-adhesion, greatly extend service life.
✅ Ultra-precision Machining Tolerance
Inner hole & outer circle precision grinding, tight tolerance up to ±0.002mm, smooth surface, stable matching with punch pins.
✅ Customized Shape & Size Supported
Non-standard stepped, special contour structure can be produced according to customer drawings. Multiple carbide grades optional (YG8/YG15/YG20C).
✅ Strong Impact Resistance
Rational alloy formula, good toughness, not easy to crack under continuous high-speed punching.
✅ Wide Application
Widely used in cold heading dies, stamping molds, fastener forming tools, hardware piercing & extrusion molds.
✅ Factory Direct OEM Supply
Strict quality inspection, stable delivery cycle, support small trial order & mass production.
- Quality assured: strict inspection, stable export
- Non-standard custom: made to drawings, flexible
- Fast delivery: in stock, reliable lead time
- Professional service: 20+ years, full support












