Related Products: Solid carbide circular knives for corrugated board Circular knives for cutting paper, cigarette filter   Circular knives for plastic, rubber, film, fibre, etc.   Solid carbide circular knives for cutting glasses   Carbide circular knives for cutting asbestos tiles   Circular knives for cutting non-ferrous metal     SOLID CARBIDE CIRCULAR KNIVES / CIRCULAR BLADES TUNGSTEN CARBIDE RAZOR BLADES specially made for corrugated board industry These kinds of tungsten carbide razor blades are specially made for corrugated board industry, which are made of sub-micron carbide grade. They are precision made to a high standard, with specially ground finish and sharp cutting egde. They can perform high speed cutting, with a high machining efficiency, accurate slitting and good surface finish. Their life time is about 6~8 million meters. Density: 14.1~14.4 g/cm3 Hardness: HRA 90.5-91.5 Bending strength(Thoughneess): 3400-3600 Mpa Our carbide circular knives can be manufactured with or without pinholes or keyways, according to customer's requirements. Features: - Maximum total tool life time, normally 6 to 8 million meters; - Much safe and aviod of broken in operation - Maximum cutting and production speeds - Maximum precision and finish of cut - Maximum resistance to abrasion - Minimum cost per unit of production obtained from knives - Edge-guard by strip, to protect cutting edge and avoid injuries. Product Specification/Model Following are the standard sizes that we usually make, other sizes are available upon your requirements. O.D (mm) H.D (mm) Thickness (mm) Pinholes (mm) 1# Φ220 Φ115  1.0  3×Φ9.0 2# Φ230 Φ110  1.1   6×Φ9.0 3# Φ240 Φ32  1.2 2×Φ8.5 4# Φ240 Φ115  1.0  3×Φ9.0 5# Φ250  Φ150 0.8 no holes 6# Φ260  Φ168.20 1.2 8×Φ10.5   7# Φ260  Φ140 1.0  6×Φ9.5 8# Φ280  Φ202 1.4  6×Φ7.5  9# Φ291  Φ203 1.0  6×Φ8.5
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