More SuperHard offers different size of vacuum brazed diamond core drill for fast and efficient coring & drilling granite, marble, concrete and brick wall, etc. Alias: vacuum brazing core drill bits Application: construction materials coring Details More SuperHard vacuum brazed drill bits are made by high grade diamond, brazing technology, instead of laser welding and high frequency welding. Applications Of Vacuum Brazed Diamond Core Bits More SuperHard offers different size of vacuum brazed diamond core drill for fast and efficient coring and drilling granite, marble, concrete and brick wall, etc. applicable industries include, Air Condition Drill, engineering drill, heavy wall holing, street lump punch, lampblack machine drill and stair handrail Advantages Of Vacuum Brazed Diamond Core Bits Excellent cutting speed with a long drilling life compared to electroplated core bits Energy conservation and environmental protection wet or dry with cooling slots design for easier core removal when stuck
