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Osborne arch punches are forged in one piece from the finest special carbon steel in sizes from 1/8” to 21/8” diameter. Larger sizes are made with our properly engineered two piece welded construction. A unique feature of the Osborne arch punch is the inside taper which permits the punchings to clear easily through the barrel. Punches have fully polished barrel. The cutting edge is fully hardened all the way through and properly finished to provide long use trouble free punching. Original and correct design for cutting. Meet government standards

Standard: AISI, ASTM, GB Place of Origin: China Technique: Cold Rolled/hot rolled Surface Treatment: Polished Application: Construction, Construction and hardware Thickness: 0.25mm-25mm Width: 16-1500mm Length: Customers' Requirement Certificate: ISO9001/SGS/BV Type: Steel coil Edge: Round Surface: Black Supply Ability: 5000 Ton/Tons per Month Hardened and tempered heat treatment steel strip for construction Packaging Details: standard sea worthy package  Payment Term: T/T,L/C etc. Port of shipment: Xiamen,China

Carbon is a composite material and differs significantly from quasiisotropic materials like steel or aluminium. As with glass fibrereinforced plastics, the material properties depend on the direction. With a density of approx. 1.6 g/cm³, the material is very light, while maintaining good rigidity and vibration behaviour. If you want to increase the rigidity of a GRP component, it is often sufficient to use a blend of glass and carbon fibres.

We can supply you with standard round blanks from stock at a favourable price and at short notice. Carbide grade V20 HIP. Other dimensions and carbide grades (SM20 HIP, SM30 HIP, V40 HIP) on request.