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- m4钻头是多少毫米?m4孔用多少的钻头
- m4钻头尺寸:大径8.4毫米,小径4.5毫米,全长75毫米,柄径8.4毫米,刃长42毫米...
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- M4丝攻的牙距是多少?m4丝攻螺距用多少转速
- 牙距跟底孔尺寸丝锥型号螺牙距45号钢/不锈钢铝材挤压型普通底孔底孔底孔M20.41.71.61.8M2.50.452.122.3M30.52.62.52.8M40.73.43.33.7M50.84.34.24.6M615.25.15.5M81.256.96.87.4M101.58.68.59.2M121.7510.410.311.1M14212.212——M16214.214.1——M2=0.4M2.5=0.45M3=0.5M4=0.7M5=0.8M6=1.M8=1.25M10=1.5M12=1.75M1...