10pcs/set 3-50mm Diamond Drill Bits Set for Glass Ceramic Tile Porcelain Hole Saw Cutting

Features:

• Stable quality.
• Our drill bit is very sharp, the drilling speed is fast, and the work efficiency is improved.
• Drills may not require or rarely need to be re-fluted during use.
• The glass drill bits have a long life.

Specification:

• 100% brand new and high quality.
• Quantity：10pcs/Set
• Can be used with a standard electric drill.
• Always use lubrication (water), otherwise the diamond core drill will burn.
• This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.
  
• Type: Core Drill Bit
• Material: Diamond Coated
• Size:

1. 6mm-30mm: 6/8/10/12/14/16/18/20/22/30mm
2. 8mm-50mm: 8/10/12/14/16/18/20/22/25/50mm
3. 6mm-50mm: 6/8/10/14/16/18/22/35/40/50mm
4. 3mm-50mm: 3/4/5/6/8/10/12/18/32/50mm

• Application - This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.They are perfect for drill glass, tile bottles,blocks jars, fiberglass porcelain tile ceramic, slate Mable, granite light stone
• Super Material - These diamond drill bits made of high-speed steel that is durable and have a long sevice life,which are high quality and good performance that excellent for making clean and accurate hole.
• Sharp&Smooth Cut - Coated with high quality diamond, the diamond hole saw creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably
• Note - When you using the diamond drill bits, please use lubrication (water),otherwise the diamond core drill will burn.Not for use on Concrete or for depths beyond about 1/2".