CRL 2-1/4" PD Series Metal Bond Diamond Drill Caulking & Urethane Heaters/Coolers The flexibility afforded by this

The flexibility afforded by this unit is unmatched by other drill machines with built-in motors that must be disassembled if service is ever needed

Thickness is 6 mils

They are tapered on each end for use in six different joint widths

It goes on smooth and evenly

They are available in four diameters

CRL 2-1/4" PD Series Metal Bond Diamond Drill Caulking & Urethane Heaters/Coolers The flexibility afforded by thisStraight Shank and Belgian Thread Type 3 8" Diamond Matrix Depth Two Mounting Styles to Choose From: Straight Shank or Belgian Thread PD Features 3 8" x 1 3 8" (10 x 35 mm) Shaft CRL PD and PDT Series Metal Bond Diamond Drills use a special diamond and brass bond for maximum performance in glass. Metal Bond Drills offer the longest life of any type of diamond drill; 1000 to 2000 holes in 1 4" (6 mm) glass with proper maintenance and the use of a wet