Product Review

Package Included
1 mm * 33 mm
2 mm * 42 mm
3 mm * 51mm
4 mm * 57 mm
5 mm * 64 mm

Feature
1. Suitable for most general purpose drills
2. Efficient and accurate positioning
3. double face with exhaust sawdust design
4. 5 top quality drill bits

Instructions and precautions for using the center drill:
1. Before using the tool, the rust preventive grease must be cleaned to prevent the chip from sticking to the blade and affecting the cutting performance.
2. The surface of the workpiece to be processed should be straight and free of blisters or hard spots to avoid damage to the tool.
3. The center drill before drilling should achieve the required positional accuracy.
4 .Cutting amount.
5. Cutting fluid: Select different cutting fluids according to the processing object, and the cooling should be sufficient.
6. Precautions: If there is any abnormality during processing, stop it immediately, and check the cause before processing; pay attention to the wear of the cutting edge in time; repair the oil after use, keep it safely.

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Your satisfaction is our motivation.