Vacuum Brazed Diamond Drill Bits
Huada produce vacuum brazed diamond drilling bits (also call brazed diamond core drills), this kind of brazed drill bit is mainly used to drill granite,marble,concrete and wall.With years of research and application of drilling bit and the world-advanced technology of diamond brazing,this jagged drilling bit adopts the patent technology,it is with very free drilling,high efficiency,excellence and long drilling life.
| Dia. | Dia. (Shank) | Depth of drilling | Outer Thread |
| 6-200 mm | 5-13mm | 40mm |
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| 6-200 mm | M 3/8" or M5/8" or M14.etc | 40mm | G1/2" |
| Speed | Drilling marble in thickness of 20mm | 5-10 secs./bore |
| Drilling granite in thickness of 20mm | 15-40 secs./bore | |
| Working Life | Drilling marble in thickness of 20mm | 500-2000 secs./bore |
| Drilling marble in thickness of 20mm | 200-400 secs./bore |
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| Drill Bit No.1 | Drill Bit No.2 | Drill Bit No.3 |
