Fin Die Punching Concave Convex Die
Discover the High Speed Fin Die Spare Parts Punch Pierce Punch, available in sizes 5mm, 7mm, 12.7mm, and 15.88mm. Made from HAP40 or ASP30 powder high-speed steel, these precision CNC lathe-turned punches ensure long service life and high accuracy for punching aluminum foil, copper foil, and stainless steel in air conditioning and refrigeration industries.