钢管护丝，油管护丝帽，石油套管螺纹保护器规格:Φ60平式全塑,Φ60加厚全塑,Φ73平式全塑,Φ73加厚全塑,Φ89平式,Φ89加厚,Φ114边梯,Φ114长圆,Φ139.7短圆,Φ139.7长圆,139.7边梯,Φ177.8长圆,Φ177.8边梯,Φ244.5短圆,Φ244.5边梯,Φ273短圆,Φ273边梯,Φ340短圆,Φ340边梯.
护丝帽规格2-3/8NUE 2-3/8EUE 2-7/8NUE 2-7/8EU E3-1/2NUE 3-1/2EUE 4-1/2BC 4-1/2LC 5-1/2STC 5-1/2LC 5-1/2BC 7LC 7BC 9-5/8STC 9-5/8LC 9-5/8BC 10-3/4STC 10-3/4BC 13-3/8STC 13-3/8BC 5.用途：该产品是石油**钢管必须的配套产品，起到保护钢管螺纹的作用。防止在装卸和运输过程中受损伤。
