A777A777 系列专业高速钢机用钻头刀头特别适用于在张力更大和更坚硬的材料上钻孔。材料：钴高速钢钴钢。 表面处理：青铜。 右侧螺旋。
The is a Jobber Drill made of HSS-E with bronze surface. It meets DIN-338 standards. It is suitable for general drilling applications.
Dormer
TE Connectivity 泰科