CRL Amazing Glazing 1-1/2" Belgian Threaded Diamond Countersink Marking Tools Single-Finger Release

Single-Finger Release

Hand Rails

Ammonia-Free Formula is Extra Strong for Really Tough Cleaning Jobs

and sanitary equipment

flake-free scores on flat glass and textured stained glass

CRL Amazing Glazing 1-1/2" Belgian Threaded Diamond Countersink Marking Tools Single-Finger ReleaseMetal 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.