螺丝攻牙钻孔径和滚造径对照表(螺纹及针车用螺纹) 2022-12-12 作者: 来源: 英制螺纹 公制螺纹 针车用螺纹 规格(UNEF) 钻孔径 规格 滚造径 规格 滚造径 硬材 软材 W 1/8 - 40 2.65 2.60 M3×0.5 2.63-2.60 SM1/8-40 2.735-2.688 W 5/32 - 32 3.25 3.20 M3.0×0.6 2.56-2.53 SM1/8-44 2.769-2.722 W 3/16 - 24 3.75 3.70 M3.5×0.6 3.06-3.03 SM9/64-40 3.128-3.083 W 1/4 - 20 5.10 5.00 M4.0×0.7 3.49-3.45 SM11/64-40 3.855-3.805 W 5/16 - 18 6.60 6.50 M4.0×0.75 3.45-3.41 SM3/16-32 4.205-4.155 W 3/8 - 16 8.00 7.90 M4.5×0.75 3.96-3.92 SM3/16-28 4.143-4.093 W 7/16 - 14 9.40 9.30 M5.0×0.8 4.43-4.38 SM7/32-32 5.003-4.955 W 1/2 - 12 10.70 10.50 M5.0×0.9 4.36-4.31 SM15/64-28 5.325-5.570 W 9/16 - 12 12.30 12.00 M6.0×1.0 5.30-5.25 SM1/4-40 5.890-5.735 W 5/8 - 11 13.70 13.50 M7.0×1.0 6.30-6.25 SM1/4-28 5.721-5.366 W 3/4 - 10 16.70 16.50 M8.0×1.0 7.28-7.23 SM9/32-28 6.508-6.648 W 7/8 - 9 19.50 19.30 M8.0×1.25 7.12-7.07 SM11/32-28 8.092-8.432 W1 - 8 22.40 22.00 SM3/8-28 8.880-8.015 W 1-1/8 - 7 25.00 24.80 SM7/16-28 10.466-10.401 W 1 - 1/4 - 7 28.30 28.00 SM7/16-16 10.037-9.967 SM1/2-20 11.819-11.749 SM9/26-20 13.400-13.425 螺丝攻牙钻孔径螺纹针车用螺纹阅读:91 评论:0 上一条 螺丝攻牙钻孔径和滚造径对照表(管螺纹) 下一条 中望CAD平移部分图形