S0.020.060.090.100.120.140.160.180.200.220.250.280.30N9,0009,0006,0004,7503,8003,2002,4001,9001,6001,3501,2001,050960超硬ドリルHO穴LEあ MAけKNGIC20低炭素鋼合金鋼＜700N/mm2NS0.0311,0000.0611,0008,0000.096,3000.100.125,0004,2000.143,2000.162,5500.180.202,1001,8000.221,6000.251,4000.280.301,300炭素鋼合金鋼＜1,000N/mm2NS0.039,5000.069,5007,2000.095,6000.100.124,5003,7000.142,8000.162,3000.180.201,8001,6000.221,4000.251,2500.280.301,150特殊合金鋼合金鋼30～40HRcNS0.027,6000.067,6005,0000.093,8000.100.123,0002,5500.141,9000.161,5500.180.201,3001,1000.229500.258500.280.30760鋳鉄＜350N/mm2NS0.0212,0000.0612,0008,0000.096,3000.100.125,0004,2000.143,2000.162,6000.180.202,2001,8000.221,6000.251,4000.280.301,300N=R.P.MS=1回転当たりの送り量（mm/rev.）ダクタイル鋳鉄＜500N/mm2NS0.0210,0000.0610,0006,9000.095,2000.100.124,1003,4500.142,6000.162,1000.180.201,7501,5000.221,3000.251,2000.280.301,050被削材強度径1.02.03.04.05.06.08.010.012.014.016.018.020.0Feed 85%SMD-5D 参考切削条件レギュラー
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