CRL 38 mm TPE Series Electro-Formed Diamond Drill Putty & Accessories Not recommended for concrete and

Not recommended for concrete and stone expansion joints

There are cross lines so you can accurately position the tool on a predetermined center

They are made of a high impact plastic that won't chip glass

prime first with a high quality oil-based primer

CRL 38 mm TPE Series Electro-Formed Diamond Drill Putty & Accessories Not recommended for concrete andFor Fast Cutting, High Production Runs Long Lasting Reliability CRL Habit Fit TPM and TPE Series Diamond Drills are commonly used for glass drilling throughout Europe and Australia. They are especially suited for high production equipment and have an extended work life. CRL TPM Series Metal Bond Diamond Drills use a special 3 8" (10 mm) diamond and brass bond for maximum performance in glass. Metal Bond Drills offer the greatest life, with an