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6Pcs Step Drill Bit Set High Speed Steel 4241 Stepped Drilling Tool With Punch
Feature:1. Can be used for deburring, chamfering, opening and reaming functions that can not be completed by twists drill.
2. Straight grooves structure and triangular shank can open a variety of sizes.
3. Open a beautiful aperture, clear scale, small vibration than ordinary twists drill.
4. Suitable for the workpiece with hardness below 25℃, such as iron plate, aluminum plate, PV plate, insulation board.
5. Including 5pcs drill bit of the package, meeting your different needs.
Specification:
Condition: 100% Brand New
Item Type: Step Drill Bit
Material: High speed steel 4241
Model: No
Tips: when choosing 4241 to make steel plates, pay attention to water injection and cooling. If the bit is easy to anneal due to high temperature and smoke in the process of use, the bit will be scrapped soon if the customer insists on such operation.
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Package List:
5 x Step Drill Bit
1 x Punch
274548964301 - globes (17)