CRL 2-1/8" PDT Belgian Series Metal Bond Diamond Drill Diamond Countersinks Router & Grinding Bits For CRL Precision Circle Cutters

For CRL Precision Circle Cutters with Plastic Base

Solid Brass Contour Grip Handle

It conforms to ASTM C920 Type S

and the air space must be 9/16" or less

CRL 2-1/8" PDT Belgian Series Metal Bond Diamond Drill Diamond Countersinks Router & Grinding Bits For CRL Precision Circle CuttersDesigned 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