CRL 4-1/2" AG Series Plated Diamond Drill Diamond Countersinks Router & Grinding Bits yet so accurate and easy-to-use

yet so accurate and easy-to-use

hand-held tool smooths glass from 3/16" to 1/2" (4 to 12 mm) thick

The brass-plated

They are fireproof in accordance with regulations and building codes

This means no sudden movements or impacts to accidentally break your glass

CRL 4-1/2" AG Series Plated Diamond Drill Diamond Countersinks Router & Grinding Bits yet so accurate and easy-to-useUnique Aggressive Sawtooth Profile Our Most Durable Style Drill Diameters from 1 8" to 4 1 2" The special sawtooth design of CRL Amazing Glazing Plated Diamond Drills reduces the contact area, allowing better grinding action and increased coolant penetration. They are perfect for use in portable tripod and cup style machines. Our most durable drill has been machined from solid steel. Use with DTC80 Diamond Tool Coolant and submerge in a retaining ring