CRL 4 mm PDT Belgian Series Metal Bond Diamond Drill Glass Abrasive Tools and an instant pressure release

and an instant pressure release button stops material flow

and count occur simultaneously

a ring cap that accepts wide tip cone nozzles

Locking Nut for 6" and 7" Rubber Pad for 9227C and PV7001C Sanders

Offers Protection Against Weathering

CRL 4 mm PDT Belgian Series Metal Bond Diamond Drill Glass Abrasive Tools and an instant pressure releaseDesigned for High Volume Glass Drilling Full 3 8" (10 mm) of Diamond Cutting Surface Threaded for Use in Belgian Type Drill Chucks CRL PDT Series Metal Bond Diamond Drills use a special diamond and brass bond for maximum performance in glass. Metal bond drills offer the greatest life, 1000 to 2000 holes in 1 4" (6. 4 mm) glass with proper maintenance and the use of a wet Sharpening Stone to expose fresh diamonds, of any type of diamond drill. PDT