CRL 3/8" Prismatic Glass Drill Metal Cleaners & Polishes Always wear the proper protective

Always wear the proper protective safety gear when cutting glass

and 400X grit

4" (102 mm) Width at Bristles

Never use in Hammer Drill action tools

Interchangeable Carbide Wheel Cutter Heads are available with four different hone angles to accommodate glass from 3/32" to 1" (2 to 25 mm) thick

CRL 3/8" Prismatic Glass Drill Metal Cleaners & Polishes Always wear the proper protectiveOur Best Carbide Drill Precision Ground on Three Sides Available Sizes from 1 8" to 1 2" (3. 2 to 12. 7 mm) This CRL Prismatic Glass Drill is the standard of quality for glass drilling throughout the flat glass industry. The tungsten carbide tips mean you can produce hundreds of high quality holes without needing to re sharpen the drill. The extra long tip assures long lasting, precision drilling. Prismatic Drills should only be used in glass drilling