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Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date标准螺纹底孔对照表标准螺纹底孔对照表螺纹攻丝底孔对照表螺纹规格钻头直径M1.6X0.351.25M2 X0.41.6M2.5X0.452.05M3 X0.52.5M3.5X0.62.9M4 X0.73.3M5 X0.84.2M6 X15M8 X1.256.8M8 X17M10 X1.58.5M10 X1.258.8M12 X1.7510.2M12 X1.5010.5M12 X1.2510.8M14 X212M14 X1.512.5M16 X214M16 X1.514.5M18 X2.515.5M18 X1.516.5M20 X2.517.5M20 X1.518.5M22 X2.519.5M22 X1.520.5M24 X321M24 X222M27 X324M27 X225M30 X3.526.5M33 X3.529.3M36 X431.8M39 X434.8M42 X4.537.3-