Vacuum Brazed Diamond Core bits

Vacuum Brazed Diamond Core Drill Bits are multi function drilling bits on Porcelain, Ceramic, Marble, Granite, quartz, engineered stone and etc.  It can be used wet or dry with minimal chipping and no cracking.
  • Thread: M14 or 5/8"-11
  • Diameter: 20mm 25mm 28mm 30mm 32mm 35mm 38mm 43mm 45mm 50mm 55mm 60mm 65mm 68mm 70mm 75mm 80mm
  • Dry or Wet: Dry
  • Description

    Vacuum Brazed Diamond Core bits
     Vacuum Brazed Diamond Core Drill Bits are the best for Porcelain Core Bit, Ceramic Core Bit, Marble Core Bit, and Granite Core Bits all in one.
    This special Vacuum  Brazed diamond technology allows an uncomplicated, hands-free and clean drilling on angle grinders and

    Also with our 10 mm Hex Shank drill adapter, it is ideal for power drill.
     The Vacuum diamond coating allows fast drilling with extremely clean, chip free holes.


    1) Diameter :20-125mm .
     We can make the diameter :
     20mm  25mm  28mm  30mm  32mm  35mm  38mm  43mm  45mm  50mm  55mm  60mm  65mm  68mm
      70mm  75mm  80mm 90mm 100mm 110mm 115mm 125mm 

    2) Length: 60mm, coating length: 10mm, or we can make the steel blank as your drawing or samples.

    3) Diamond grit: #35/40, tile drill bit is made of premium diamond ,it make sure fast and smooth drilling as well longer span .
       it can drill 60-80 holes .

    4) Connection:  M14 connection and 5/8-11 threading for diameter ,For use on angle grinder .
    5) Minimum Work Speed: 10000 rpm


    1) Suitable for cutting, dry drilling various hard Non-ferrous materials, such as marble, granite, glass, ceramic, hard concrete and brick 

    2) Smooth cutting surface, high cutting speed.

    3) It is your problem solver for drilling holes.

    4) Longer working life than electroplated one.  

    5) It can drill holes  with or without water(Dry or wet drilling).

    We can offer the5-14mm  diamond core bit