CRL 1-3/4" HBT Series Belgian Thread Electro-Formed Diamond Drill Marking Tools one set for running and

one set for running and one for nipping

just wet the base with coolant or glass cleaner and press onto the glass

and Fabric

Coverage: 33 linear feet (10 m) at 3/8" x 1/4" (9

CRL 1-3/4" HBT Series Belgian Thread Electro-Formed Diamond Drill Marking Tools one set for running andFor 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)