1 Pc 16-200mm Bimetal Wood Hole Saw Drill Bit HSS Steel New M42 Core Hole Saw Suitable For Downlight Plasterboard Opening

Name: bimetal hole saw
Material: M42 Steel
instruction:
M42 steel has high toughness, high hardness, strong wear resistance and cutting ability.
usage notice:
1. This hole opener has a positioning center drill, which needs to be manually installed and tightened;
2. During the drilling operation, since the center positioning drill is cut first, and after it is in place, the operation center drill will play a positioning role at the end;
3. When cutting continuously, please select a lower speed;
4. In order to prevent chipping, please do not let the cutting edge of the hole opener collide violently with the cutting material instantly;
5. It is necessary to add water or cold cutting fluid to cool down, otherwise there is a risk of burning the drill bit;
6. The operator should wear protective glasses to protect the eyes. When working with the face up, the operator needs to wear a protective mask;
7. When working for a long time, it is necessary to plug earplugs to reduce the impact of noise;
8. The hole opener is in a hot state after long-term operation, and care should be taken to avoid burning the skin when replacing it;
9. After use, apply anti-rust oil for longer service life.

Specification:
Applicable equipment: universal handle type, hand drill, bench drill
It is suitable for punching a variety of materials: PVC board, plastic, wood board, gypsum board, iron sheet, aluminum alloy.