Porcelain Diamond Drill Bit, 5/16 In.

Use the QEP® 5/16 In. Diamond Hole Saw Kit to drill holes for bathroom pipes on various tile surfaces. The kit also contains adhesive pads, a water cooling system, and drill guide. This hole saw must be used with the water system to keep it from overheating and must be used with a cordless drill.

• Drills 5/16 in. holes in ceramic, glass, marble, porcelain and granite
• Tough, diamond grit cutting edge for long lasting use, limited wear, faster cuts, less dust and less chipping
• Water cooling system keeps hole saw cool for a longer life
• Convenient, single piece water delivery system
• Kit includes 6 adhesive pads, water cooling system, drill guide and drill bit
• Only for wet use with cordless drills
• Easy to clean by rinsing with hose or in clean water after each use
• Begin drilling with steady and even pressure after water starts dripping, making sure to slide the hole saw in and out to remove debris and apply fresh water to the drill point