CRL 7/8" PD Straight Series Metal Bond Diamond Drill Backer Rods & Insert Tools Steel Wheels with axles are

Steel Wheels with axles are sold 10 per package

The ideal size requires minimal effort and allows a more consistent finish

use spacer shims at quarter points to maintain 1/8" minimum bedding thickness

Cork Polishing belts are also available

TT-S-00230C (COM-NBS) Class A

CRL 7/8" PD Straight Series Metal Bond Diamond Drill Backer Rods & Insert Tools Steel Wheels with axles areDesigned 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