技术参数规格标注  内径mm外径mm节距mm单件长度m适配钢管公制英制薄钢厚钢85/16″7.711.84100101/4″9.714.54.7100″121/2″123/8″11.716.54.7100″153/8″″103/8″151/2″14.720.25.7100″203/4″″151/2″203/4″19.624.56.450″251″″203/4″251″24.531.78.750″321/1/4″″251″321/1/4″31.539.610.525″401/1/2″″321/1/4″381/1/2″37.546.611.425″502″″401/1/2″512″49.559.611.420″702/1/2″″502″642/1/2″62.57414.210″803″″702/1/2″753″738514.210″803″1004″9710914.210″1004″使用说明使用方法：先将电线穿入包塑金属软管内,再配合金属软管接头即可.