step drill bit / twist drill bit / spot weld drill bit / countersink
- 原产地:
- 台湾
- 颜色:
- 黑色
详细规格及用途描述
Step drill bit: It's perfect and convenient for worker to
drill multiple-size hole with a single step drill bit.
Twist drill bit: 3X faster up to 50% life
Spot weld drill: Special drill bit for removal of spot welds effectively.
Countersink: Smooth holes without splinter
