Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd.
Professional manufacturer of drill bits and diamond tools in China.
Add to Cart
Steel Step Drill Bit Set Metal Drilling Bit
1. One drill with multiple uses to meet different tasks. Stepped structure, with multiple drill bits of different specifications for one head
2. Fast cutting, smooth chip removal. Double spiral groove, sharp punching, reducing resistance, fast chip removal
3. Self-centering design, easy to locate: 118°X type opening design, effectively reducing opening slip.
4. Suitable for stainless steel, mold steel, PVC, copper, wood, iron plate, aluminum, plastic.
5. Easy opening, reaming and deburring.
Scope of application
| HSS 4241 | Suitable for workpieces with hardness below 25°, such as iron plates, aluminum plates, and PVC plates. |
| HSS 6542(M2) | It is suitable for workpieces with hardness below 28°, such as iron plate, aluminum plate, sheet metal, and copper plate. |
| M35 contains cobalt | |