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3/4 inches 20mm diamond drill bit - crown shape segments
Diameter: 20mm
Adaptor: 5/8"-11, M14
Segment: Ф20x3x10
Pipe length: 100mm
Welding type: high frequency welded
Wet or dry use
3/4 inches 20mm diamond drill bit - crown shape segments
20mm diamond drill bit silver welded with crown shape continuous rim segments for drilling stone granite concrete brick, etc., common uses would be small projects such as drilling out sink holes for faucets.
The unique design with crown type can effectively improve the sharpness, also, the slots allow good discharge removal and get better cooling.
Code: DDB-S-05-20.
Diameter: 20mm.
Adaptor: 5/8"-11, M14.
Segment: Ф20x3x10.
Pipe length: 100mm.
Welding type: high frequency welded.
Dry or wet use(water coolant is much better for drilling performance and working life).
Suitable for electrical hand-held drillers.
Note:
1. To prolong its using life, better to use with water for
cooling and lubrication.
2. The hole drill bit can be used with bench drill, hand
electric drill.
3. When you using hand electric drill, start slowly at 45 degree
angle and go vertical after you make an initial mark.
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