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Diamond drill bits for granite - crown shape segments
Diameter: 20mm-50mm
Bore size: 5/8"-11,M14,1/2 Gas,Straight Shank
Length(mm): 100mm or as per demand
Diamond segments height: 10mm or as per demand
Diamond grit: #30/40/50/60/80 or as per demand
Production process: sliver welded
Diamond Drill Bits - Crown Shape Segments
Diamond core drill bits with crown shape continuous rim segments for drilling stone ceramic concrete, 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.
Welding method: silver welded.
Suitable for stand drilling machines or electrical hand-held drillers or CNC machines.
Dry or wet use(water coolant is much better for drilling performance and working life).
Long steel pipe is available, pipe side diamond vacuum brazed is also available.
The above specifications & photos are for reference, other specification may be available as per customer's demand.
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