CRL 3" DCD Series Straight Shank Electro-Formed Diamond Drill Caulks & Accessories As little as 1/2" (13

As little as 1/2" (13 mm) can effectively firestop the opening

Failure to follow safety precautions can result in injury

some marble and natural stone substrates without additional surface preparation

Well balanced and weighted for easy use

resealable screw-on nozzles with a screw-on cap for convenience and product savings

CRL 3" DCD Series Straight Shank Electro-Formed Diamond Drill Caulks & Accessories As little as 1/2" (13For Fast Cutting, High Production Runs Extended Work Life Two Mounting Styles to Choose from Straight Shank or Belgian Type These CRL Electro Formed Diamond Drills are thin walled, with a 1 2" (12. 7 mm) deep multi layer of diamonds and bonding matrix designed for high speed, high production drilling. These drills give outstanding results when exacting conditions are met. The CRL DCD Series features an extra long 1 3 8" x 3 8" (35 x 10 mm) diameter