CRL Amazing Glazing 1-1/2" Belgian Threaded Diamond Countersink Glass Thickness Measuring Tools & Meters Package Quantity is one

Package Quantity is one

Single Layer Diamond Impregnation for Savings

No metal contacts to scratch the glass surface

Chisel Edge

CRL PD and PDT Series Metal Bond Diamond Drills use a special diamond and brass bond for maximum performance in glass

CRL Amazing Glazing 1-1/2" Belgian Threaded Diamond Countersink Glass Thickness Measuring Tools & Meters Package Quantity is oneMetal Bond Diamonds Straight Shank or Belgian Type Mounts Chip Free 90 Tapers This CRL Diamond Countersink features a medium grit diamond for grinding precise, chip free, 90 tapers into existing holes in glass. Versatile because it can be used on any hole size up to the maximum countersink diameter. Run at medium speeds, the countersink must be applied to the glass so it touches the circumference evenly. It can also be used on marble and granite.