3-1/8 Inch Dry Core Diamond Hole Saw for Brick & Concrete Jewelry Making Supplies It’s engineered for universal compatibility

It’s engineered for universal compatibility with standard 3/8" shank drills—no special tools required

unlike traditional drill bits for wood and metal

This 20-piece set is designed for use with Dremel rotary tools

The 2 inch diamond drill bit includes a removable pilot drill bit

and with confidence

3-1/8 Inch Dry Core Diamond Hole Saw for Brick & Concrete Jewelry Making Supplies It’s engineered for universal compatibilityThe Drilax 3 1 8 Inch Diamond Hole Saw is a heavy duty solution for creating large diameter openings in the toughest construction materials. By utilizing advanced sintering technology where industrial diamonds are bonded within the metal matrix of the teeth, this bit delivers superior performance that does not wear off like traditional plated bits. It is specifically designed to provide contractors and home renovators with a professional grade core