[DETAIL]<br>1 Pc 16-200mm Bimetal Wood Hole Saw Drill Bit HSS Steel New M42 Core Hole Saw Suitable For Downlight Plasterboard Opening<br>Name: bimetal hole saw<br>Material: M42 Steel<br>instruction:<br>M42 steel has high toughness, high hardness, strong wear resistance and cutting ability.<br>usage notice:<br>1. This hole opener has a positioning center drill, which needs to be manually installed and tightened;<br>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;<br>3. When cutting continuously, please select a lower speed;<br>4. In order to prevent chipping, please do not let the cutting edge of the hole opener collide violently with the cutting material instantly;<br>5. It is necessary to add water or cold cutting fluid to cool down, otherwise there is a risk of burning the drill bit;<br>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;<br>7. When working for a long time, it is necessary to plug earplugs to reduce the impact of noise;<br>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;<br>9. After use, apply anti-rust oil for longer service life.<br>Specification:<br>Applicable equipment: universal handle type, hand drill, bench drill<br>It is suitable for punching a variety of materials: PVC board, plastic, wood board, gypsum board, iron sheet, aluminum alloy.<br><br>[ATTRIBUTES]<br>- High-concerned chemical: None<br>- Brand Name: onmaiwei<br>- Origin: Mainland China<br>- High-concerned chemical: None<br>- Brand Name: onmaiwei<br>- Origin: Mainland China<br>- Certification: CE<br>- Model Number: Triangular handle<br>- DIY Supplies: Woodworking<br>- Material: High Speed Steel<br>- Type: Core Drill Bit