CRL 1-1/4" AG Series Plated Diamond Drill Setting Blocks & Shims A smaller stone can catch

A smaller stone can catch and spin in the drill

High Density Plastic Body

It is constructed from the finest synthetic resin available

The convenient "step-down" feature makes a gradual opening in the glass

CRL 1-1/4" AG Series Plated Diamond Drill Setting Blocks & Shims A smaller stone can catchUnique 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