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7/8 inch 22mm high
frequency welded diamond
drill bit for granite
7/8 inch 22mm diamond drill
bit high frequency welded for drilling stone
granite concrete brick, etc., common uses would be small projects such as
drilling out sink holes for faucets.
Code:
DDB-S-06-022E.
Diameter: 20mm.
Adaptor: 5/8"-11.
Segment:
ะค22x3x10.
Pipe length: 100mm.
Welding type: high frequency welded. Wet or dry 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.
The specifications & photos are for reference, other specification
may be available as per customer's demand.
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