8pcs black hole saw hardware tools tooth saw wood board saw hole saw 2024

1. When using the hole-cutting tool, it is necessary to grasp, select, and compare it periodically, and continuously add cooling liquid to prevent the cutting edge from cracking. If it is used with a high-speed drill, the operation should be controlled to turn on and off as much as possible to reduce its speed. It is widely used in combination with various types of drill machines, such as bench drills and electric drills.

2 can be, aluminum alloy and other metal pipe plastic sheet. Various types of wood, plaster board and other hole-cutting operations

Metal drill bit, remember to add cooling liquid when drilling metal pipes.

1. The cutting material must be firmly fixed and cannot move, ensuring that it is perpendicular to the opening at a 90-degree angle.

2. When the positioning drill penetrates, please note, and then slowly drill the hole.

3. During the operation process, if there are any abnormalities or the cutting is not ideal, please stop working and wait until the cutting is completed before resuming.

4. When disassembling and assembling screws, please do not apply too much force, or the screws may slip.

4. For processing materials with a thickness of over 10MM, please remove the spring from the positioning drill.

5. Widely used in various types of bench drills, drill presses, and hand-held drills.