CRL 4 mm PDT Belgian Series Metal Bond Diamond Drill Glass Routers Bits & Accessories They are available in grits

They are available in grits from 36X (Super Coarse) to C0RK (Polishing) to fit most any portable belt sander

Diamond grade required are based upon the finish and amount of material to be removed

Our Best Drill

They are especially suited for high production equipment and have an extended work life

There should be no metal or wood to glass contact

CRL 4 mm PDT Belgian Series Metal Bond Diamond Drill Glass Routers Bits & Accessories They are available in gritsDesigned 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