电弧螺柱焊用螺柱 - RD型,带缩杆的螺纹螺柱
Stud for arc stud welding - Threaded Stud with Reduced Shaft - Type RD
RD型电弧焊用焊接螺柱
Threaded Studs For Drawn Arc Stud Welding With Ceramic Ferrule - RD Type
RD型,带缩杆的螺纹螺柱
Threaded stud with reduced shaft(RD)