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m0.8,α20°A级小模数硬质合金高速齿轮滚刀,具有切削速度高、走刀量大和使用寿命长等特点。能切削材料硬度为HB220～240的齿轮。与高速钢滚刀相
m0.8, α20 ° A-class small modulus carbide high-speed gear hob, with high cutting speed, take a large amount of knife and long service life and so on. Can cut material hardness HB220 ~ 240 gear. With high speed steel hob phase