First, drill the hole in wood or plastic to locate or guide a screw and expand the size according to the tap. Without a pilot hole, the screw may get too tight and either broke the material or snap the screw completely
Install the chamfer drill on the bench drill. If you need to chamfer a 16mm hole, you can choose a 15-20mm chamfering device. Add water or cutting oil to cool when chamfering.
Finally, screw on until flush with the horizontal. This bit should use the bench drill, it is easy to shake and it will affect the chamfering effect if you use the hand drill.
Material:High Speed Steel
Weight: 176 g
2-5 (the hole in the range of 2MM--5MM, the handle is 6MM, the diameter of the head is 9.7MM)
5-10 (the hole in the range of 5--10MM, the handle is 8MM, the diameter of the head is 14MM)
10-15 (pour the hole in the range of 10MM-15MM, handle 10MM, head diameter 21MM)
15-20 (pour holes in the range of 15MM-20MM, handle 12MM, head diameter 28MM)
Note: The chamfering device needs to work with the bench drill. Do not use a hand drill to operate! ! ! Continuous cooling should be carried out during the application process.
4PCS/SET X Titanium Coated Countersink Chamfer Tool
1. Due to the light difference, the color may be slightly different.
2. Please allow slight differences due to manual measurement.
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