Ogrimmar Diamond Drill Bits 15 PCS Remover Tools Extractor Tile Hole Saw For Ceramic Glass, Porcelain, Granite Stone Hollow Core Drill Bit Set(6mm-50mm)

Operation of the Tile Hole Saw - Start the hole diagonally, make a round braid and then hold drill straight. Water is required for lubrication when drilling.

Quick, Sharp & Smooth Cut: Tip Head coated with High quality Diamond to enhance the drilling speed and creates a sharp, high precision and smooth cut with no broken edges In Seconds.
NOTE: Always use water for lubrication, otherwise the diamond core drill will burn. Can be used with a standard electric drill. Start your hole diagonally, make a round trace and then hold drill straight. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably. Use Coolant. Minimum pressure.

Specifications: Material: high quality steel, diamond dust coating. Surface Material: electroplating. Size: 6 - 50mm/0.23"-1.97". 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 40mm, 50mm. Color: Silver. Quantity: 15 pcs. Item Weight: 1.01 pounds