Brrnoo Hole Drill Bit Drill Core Bit 5PCS 20mm-38mm diamonds Coated Core Drill Bit Glass Tile Marble H36 Sale

Features: This is a brand new item This diamonds coated core drill bit removes a complete circle from glass tiles marble granite ceramic or other materials and only needs water for lubrication Can be used with a standard electric drill( Excluding in this item ) Easy to use high quality good performance long life Excellent for making clean and accurate hole on glass tile and marble Always use lubrication (water ) otherwise the diamonds core drill will burn Start your hole diagonally make a round trace and then hold drill straight Specification: Popular Sizes: 3/4 (20mm)&1 (25mm)&1 1/4 (32mm) &1 3/8 (35mm)&1 1/2 (38mm) Package Includes: 1 x 5pcs diamonds Coated Hole Saw Drill Bits