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.