OPTIONAL: Pack of 10pcs for your options. Sizes(outside diameter) include: 6mm,8mm,10mm,14mm, 16mm,18mm,22mm,35mm,40mm,50mm.
PROTECTIVE: Lower drill speed, its inner pressure and improve the use of water lubrication to protect drill bits considerably.
ATTENTION: Can not use for drilling Concrete or any depths beyond about 1/2 inch; Water is needed as lubrication during drilling.
GUARANTEE: To meet your satisfaction, we guarantee you a No-Hassle 12 months refund or replacement warranty.
About Kusonkey Diamond Drill Bits: Diamond coated Drill Bits, are professional hole saw tools, also called Diamond Core Drill Bits, Diamond Hole Saws or Bonded Diamond Drill Bits. They are often widely used to drill kinds of hard stuffs like glass,tile, glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, granite, light stone, fiberglass and so on.
Product Details -Color: Silver -Material: Steel -Total Length: About 51mm to 56mm -Sizes(outside diameter): 6mm, 8mm,10mm,14mm,16mm,18mm,22mm,35mm,40mm,50mm -Applicable Industry: Suitable for Stone, Tiles, Ceramics, Glass and Granite, other processes.
Warm Notes: 1.Align holes' diagonals, make a round trace ,and hold drill straight to work. 2.Water or lubrication is a continual need during drilling to avoid burning.