This 15 pieces diamond hole saw set is for cutting thru marble, porcelain, ceramic and glass tiles. This set is not meant to be used with a hammer drill since those are made for smooth cutting. For extended lifetime of the blades reduce drill speed, reduce drill pressure, and increase water flow lubrication. This set can be used for plumbing, renovation, grab bar installation and tile work.

Features:

• For cutting thru marble, porcelain, ceramic tile, and glass
• Made of high strength carbon steel with smooth nickel plating surface
• The diamond coated core drill bit removes complete circle from marble, porcelain, ceramic tile glass or other materials
• Requires minimum force for drilling thru tiles, for wet cutting applications only
• Includes 15 different sizes from 1/4 to 2inch or 6 to 50mm in diameter

Specifications:

• Model: DM-HLS
• Quantity: 15 pieces
• Imperial diameter: 15/64, 5/16, 25/64, 15/32, 35/64, 5/8, 45/64, 25/32, 55/64, 63/64, 1-1/32, 1-7/64, 1-3/16, 1-37/64 and1-31/32inches
• Metric diameter: 6, 8, 10, 12, 14, 16, 18, 20, 22, 25, 26, 28, 30, 40 and 50mm
• Shank size: 7/32-5/16in or 5.5-8mm
• For wet cutting applications only
• Made of carbon steel
• Diamond coated core drill bit edge
• Color chrome plated
• Weight: 12oz or 345g

Please note:

• Not for use with a hammer drill
• Cannot be used on granite, concrete and metal, for use on tiles only
• Always drill with water, to keep the blade and material cool
• Align the drill bit with the tile; gently and slowly grind into the material for 30 seconds to create a barrier
• Keep adding water to avoid the damage to the blade or tile due to the heat created by friction

Package includes:

• 15 pieces diamond hole saw drill bit set
• White packaging box