观丝燎套注：1、钢丝螺套的自由状态圈数N,可由使用单位设计决定2、 用于盲孔的钢丝螺套无折断槽h3、 自由状态下的外径Dz，为装配之前的尺寸螺纹公称直径DXP自由状态外径Dz可供选择的公称长度最小min最大max1 D 1.5 D 2 D 2.5 D | 3 D2 X 0.42.622.76* 2.5 X 0.453.223.40* 3 X 0.53.824.00* 4 X 0.75.125.30* 5 X 0.86.326.54* 6 X 17.627.84* 7 X 18.728.94* 8 X 19.8210.04* 8 X 1.2510.0610.34* 10 X 112.0812.3610X 1.2512.1012.50* 10 X 1.512.5212.80* 12 X 1.514.6814.96* 12 X 1.7514.9615.20* 14 X 1.516.9217.20* 16 X 1.519.1819.52* 16 X 219.4019.9018X 1.521.4821.82* 20 X 1.523.8224.1620X 2.523.7024.2022X 1.526.0026.5224X 1.528.4028.92* 24 X 228.5029.0024X 328.6029.1027X 1.532.0232.6427X 231.9432.5630X 1.535.7436.36* 30 X 235.5036.1230X 3.535.2035.7533X 1.539.5640.1833X 239.1239.7436X 1.542.1042.6039X 245.1045.6045X 1.552.5053.5048X 355.1756.07丝套螺纹规格dXp丝套螺纹公称长度Xd丝套用螺纹孔参数自由状态下丝套数螺孔浓度(mm)钻孔时选用外 头直径(mm)丝套外径(mm)丝套圈数(心2d47.72 X 0.42.5d52.12.6-2.89.93d612.22d59.62.5 X 0.452.5d6.52.63.2-3.4511.13d7.513.61d33.9ZST * 3 X1.5d4.53.23.82-4.006.30.52d68.72.5d3d7.511.013.51d43.71.5d66.1ZST4 X 0.72d84.25.15-5.358.42.5d1011.03d1213.21d54.31.5d7.56.9ZST5 X 0.82d105.26.35-6.69.72.5d12.512.33d1515.01d64.21.5d96.9ZST6 X 12d126.37.6-7.859.62.5d1512.33d1814.61d84.71.5d127.4ZST8 X 1.252d168.49.85-10.110.62.5d2013.53d2416.41d106.0ZST10X1.5d1510.312.1-12.49.71.252d2013.41d105.01.5d158.1ZST10 X 1.52d2010.412.1-12.511.22.5d2514.23d3017.21d127.4ZST12X1.5d1812.414.2-14.511.61.252d2415.91d125.21.5d188.4ZST12X2d2412.514.4-14.811.71.752.5d3014.73d3618.0ZST14X1d1414.417.2-17.48.41.251.5d2112.42d2816.31d147.1ZST14 X 1.51.5d2114.517.2-17.711.22d2815.31d145.2ZST14X 21.5d2114.417.2.17.78.32d2811.51d166.11.5d249.7ZST16 X 22d3216.519.4-19.913.82.5d4016.80.75d13.57.01d189.5ZST18 X 1.51.5d2718.521.5-2214.92d3620.21d186ZST18 X 2.51.5d2718.521.84-22.249.52d3612.81d2010.7ZST20 X 1.51.5d3020.523.7-24.216.72d4022.41d206.3ZST20 X 2.51.5d3020.7523.7-24.210.02d4013.71d2211.7ZST22 X 1.51.5d3322.526.3-26.818.11d2412.91.5d3619.8ZST24 X 1.52d4824.528.6-29.126.72.5d6033.63d7240.61d246.3ZST24 X 31.5d3024.828.6-29.110.02d4014.00.75d20.311.027 X 1.51d2727.532.2-32.714.61.5d40.518.30.75d20.38.027 X 21d2727.632.2-32.710.81.5d40.516.81d30730 X 3.51.5d4531.035.2-35.7112d6014.936 X 1.51d3636.541.2-41.92039 X 245.10-45.6045 X 1.552.50-53.5048 X 355.17-56.07注：（1）带*号者为除普通型外，还有锁紧型：普通型表示ST,锁紧型表示为ZST。
2） 根据用户需要和要求，我厂还可以试制本系列以外的各种钢丝螺套3） 公称长度按标准选择4~20之间的任意偶数圈，还可以按公称直径的倍数选择。