CRL 3/8" PD Straight Series Metal Bond Diamond Drill Short Run Plated Diamond Drill Bits This is a major time

This is a major time saver for testing multi-story buildings where you only have access to the inside of the window

Virtually Eliminates Bowing of Window Frames

Non-Drying

this Adjustable Holder can also work as an extra hand

For Thicker Float and 1/4" (6 mm) Glass

CRL 3/8" PD Straight Series Metal Bond Diamond Drill Short Run Plated Diamond Drill Bits This is a major timeDesigned 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