CRL Amazing Glazing 1-1/2" Belgian Threaded Diamond Countersink Glass Thickness Measuring Tools & Meters No metal contacts to scratch

No metal contacts to scratch the glass surface

Chisel Edge

It is compatible with insulating glass sealants when glazing units and applied as a toe or heel bead

dust and dirt residues

Reversible Boom with Minute Hydraulic Control

CRL Amazing Glazing 1-1/2" Belgian Threaded Diamond Countersink Glass Thickness Measuring Tools & Meters No metal contacts to scratchMetal 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.