4 , screw thread gob produced by internation standard , material is 38chrome molybdenum aluminium azote steel , high rigidity , long time.
四螺纹口按国际标准化制造，材料选用38铬钼铝氮化钢，硬度高，使用寿命长。
Standard installation methods: screw thread, plate or pin plunge, etc.
标准安装制式：螺纹、平板、插杆等等。
Standard installation methods: screw thread, plate or pin plunge, etc.
标准安装制式：螺纹、平板、插杆等等。
应用推荐