CRL 3" HBT Series Belgian Thread Electro-Formed Diamond Drill Caulks & Accessories The 25 mil thick flashing

The 25 mil thick flashing makes it the preferred product for working in tight corners

The TAP wheels also require less pressure on the cutter which means less fatigue with regular use

Make the move up from steel and brass tube drills

Limitations It is not recommended for concrete and stone expansion joints

The tool measures 6" (152 mm) overall and comes with a handy pocket clip

CRL 3" HBT Series Belgian Thread Electro-Formed Diamond Drill Caulks & Accessories The 25 mil thick flashingFor 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" by 3 8" (35 by 9. 5 mm)