Product Overview
Features
- Cobalt coating reduces friction and operating temperatures and extends its life.
- No need for center punch, not easy to break, can be used for deburring, chamfering and opening
- High wear resistance, high toughness and high strength flexibility
- Made of high speed steel material, high hardness and long service life
- Widely used for perforating various materials, such as stainless steel tapping steel, wood, thin iron, aluminum alloy, moisture-proof board, PVC board, etc.
Specifications
- Item Type: Step Drill Bit
- Material: High speed steel
- Standard(optional): 4-12(5 steps), 4-12(9 steps), 4-20, 4-32
Package List
- 1 x Step Drill Bit
Note
1. Hand drills and table drills can be used for opening stainless steel, plates can be opened within 1mm by hand drill, and 2-3mm plates can be opened with table drills.
2. The speed of the stainless steel opening can not be fast, a few hundred turns can be
3. It is best to use water injection or cutting fluid for cooling during processing, which can effectively extend the life of the drill
