CRL 3-1/2" PDT Belgian Series Metal Bond Diamond Drill Glass/Plastic Cutters Chippers Nibblers & Accessories The brass handle acts as

The brass handle acts as a reservoir and designed for longevity

This CRL Metal Bond Notched Edge Diamond Blade is a multi-layered product which continue to expose a fresh diamond layer as the blade wears

and Fire Tests of Through Penetration

and are clear in color

CRL 3-1/2" PDT Belgian Series Metal Bond Diamond Drill Glass/Plastic Cutters Chippers Nibblers & Accessories The brass handle acts asDesigned for High Volume Glass Fabrication 3 8" Diamond Matrix Depth Two Mounting Styles to Choose From, Straight Shank or Belgian Thread 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; 1,000 to 2,000 holes in 1 4" (6. 4 mm) glass with proper maintenance and the use of a wet Sharpening Stone to expose fresh