... ,as custom inquriy 4,8-10 work days carbide special punch specifications carbide special punch Type circular, Square Header , hexagonal , R-shaped ... special punch Length Tolarance+/-0.01carbide special punch Diameter Tolerance+/-0.002carbide special punch HardnessHRC64°-69°carbide special punch Packing Quantity10carbide special punch Weight2.00carbide special ...