step drills
Gungho Machinery Tools Co., Ltd. [China]
Detailed Product Description
Feature:
1.Multiple steps eliminate the need for many special size bits
2.Use for reaming and deburring
3.Requires no center punch to start drilling
Feature:
1.Multiple steps eliminate the need for many special size bits
2.Use for reaming and deburring
3.Requires no center punch to start drilling