公制螺纹钻底孔用钻头直径尺寸表

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公制螺纹钻底孔用钻头

直径尺寸表

Company Document number:WTUT-WT88Y-W8BBGB-BWYTT-19998

公制螺纹钻底孔用钻头直径尺寸表

M1:粗扣螺距=Φ细扣螺距=Φ

M2:粗扣螺距=Φ细扣螺距=Φ

M3:粗扣螺距=Φ细扣螺距=Φ

M4:粗扣螺距=Φ细扣螺距=Φ

M5:粗扣螺距=Φ细扣螺距=Φ

M6:粗扣螺距=Φ细扣螺距=Φ

M8:粗扣螺距=Φ细扣螺距 , =Φ7,Φ

M10:粗扣螺距=Φ细扣螺距 , , =Φ,Φ9,Φ

M12:粗扣螺距=Φ细扣螺距 , , =Φ,Φ,Φ11

M14:粗扣螺距=Φ细扣螺距 , , =Φ,Φ,Φ13

M16:粗扣螺距=Φ14 细扣螺距 , =Φ,Φ15

M18:粗扣螺距=Φ细扣螺距 , ,=Φ,Φ,Φ17

M20:粗扣螺距=Φ细扣螺距 , , =Φ,Φ,Φ19

M22:粗扣螺距=Φ细扣螺距 , , =Φ,Φ,Φ21

M24:粗扣螺距=Φ细扣螺距 , , =Φ,Φ,Φ23

生产中钻螺纹底孔公式:

t<1mm: Dz=d-t

t>1mm: Dz=d-~t

式中 t 螺距(毫米)

Dz 攻丝前钻头直径(毫米)

d 螺纹公称直径(毫米)

公制螺纹钻底孔用钻头直径尺寸表

公称直径d 螺距t 钻头直径公称直径d 螺距t 公称直径d M1 粗 = M2 粗 =

细 = 细 =

M3 粗 = M4 粗 =

细 = 细 =

M5 粗 = M6 粗 =

细 = 细 =

M8 粗 = M10 粗 =

细 = 细 =

细 = 细 =

细 =

M12 粗 = M14 粗 =

细 = 细 =

细 = 细 =

细 = 细 =

M16 粗 = M18 粗 =

细 = 细 =

细 = 细 =

细 =

M20 粗 = M22 粗 =

细 = 细 =

细 = 细 =

细 = 细 = M24 粗 = M27 粗 = 细 = 细 =

细 = 细 =

细 = 细 = M30 粗 = M33 粗 = 细 = 细 =

细 = 细 =

细 = 细 =

细 =

M36 粗 = M39 粗 = 细 = 细 =

细 = 细 =

细 = 细 = M42 粗 = M45 粗 = 细 = 细 =

细 = 细 =

细 = 细 =

细 = 细 = M48 粗 = M52 粗 = 细 = 细 =

细 = 细 =

细 = 细 =

细 = 细 =

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