Environmental protecting and easy to use.
Please start drill at 45 Degree to surface and align to 90 Degree as hole forms
Perfect for glass ceramic marble tile granite
Simple to operate and convenient to use.
The diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials.
Works better with a electric drill. (not included)
Size: 6mm/8mm/10mm/12mm/14mm/16mm/18mm/20mm/22mm/25mm/26mm/28mm/30mm/40mm/50mm(As the picture shows)
Material: Nickel plated
15 Pcs Diamond tool drill bit hole saw set
1. Start your hole diagonally, make a round trace and then hold drill straight.
2. Always use lubrication (water), otherwise the diamond core drill will burn.