High speed steel opener

High-speed steel hole opener use method

1. The material to be cut must be fixed, there must be no movement, and it should be at a right angle of 90 degrees to the opening.

2. When positioning the drill through, please wait a moment, then slowly drill

3. During operation, if there is abnormality or chip removal is not ideal, please stop working and pour the chips before doing it.

4. Do not use too much force when screwing up and down, so as not to screw the screws

5. Can be used on drilling machines such as bench drills, magnetic drills, hand drills, impact gun drills, etc.