Product Description : ''ZHWEI '' High Speed Steel Hole Saw
- Can be used for steel, wood, plastic.
- Drill round shape
- Long lasting
- New product
- Sharp teeth, computer indexing, high speed grinding, high precision, less hole opening error.
- available from 16mm to 60mm
Note:
- When you start drilling, the hole opener must slowly touch the drilled object and cannot hit the workpiece. The rotation speed should be low (the larger the hole turning speed is, the lower the rotation speed is). If necessary, coolant or water can be added. When you are about to drill through, please pay attention to slow down the feed rate.
1.The cutting material must be fixed, can not move, to make a right angle with the opening 90 degrees.
2.When the drill is drilled, please wait a bit and drill it slowly.
3.During the operation, if there is any abnormality or the cutting is not ideal, please stop working and cut it to work.
4.Please do not use too much force when you screw up and down so as not to screw the screw.
