The QEP 5/16 in. Wet/Dry Diamond Drill Bit is designed for the easy, fast and accurate cutting of porcelain, ceramic and glass tiles. This hole saw features a special diamond grit edge for faster and smoother cuts, while using less water than conventional diamond drill bits. Simply dip the hole saw into water and drill the desired hole for professional quality and results.

Ideal for cutting 5/16 in. holes in ceramic, porcelain and glass tiles with minimal water use
Advanced metallurgical technology bonds diamond grit to chrome alloy steel base to produce a long-lasting cutting edge
Extremely durable and built to last longer than conventional diamond drill bits and standard hole saws
12 times longer lasting than standard hole saws
Simply dip in water, no need for a constant water delivery system, for quick and easy use
Flexibility to be used in wet or dry cutting conditions is preferred by professional flooring installers
Easy to clean by rinsing with hose or in clean water after each use

The unique Wet/Dry Diamond Hole Saw features a premium-grade brazed diamond coating, giving it 12X longer life. It is specifically designed to cut through the toughest porcelian, granite and marble yet delicate enough for use on glass. No constant water flow is required, just a quick dip into water and start cutting.

Creates precise 1-3/8" holes.