不淬硬钢和奥氏体不锈钢内螺纹圆柱销
Parallel Pins With Internal Thread,Of Unhardened Steel And Austenitic Stainless Steel
淬硬钢和马氏体不锈钢内螺纹圆柱销
Parallel Pins With Internal Thread,Of Hardened Steel And Martensitic Stainless Steel
内螺纹圆柱销
Parallel Pins With Internal Thread