CRL 2-1/2" DCD Series Straight Shank Electro-Formed Diamond Drill Glass Thickness Measuring Tools Coating Detectors & Meters First score the glass by

First score the glass by an appropriate glass wheel

Simply clean the surface with a wire brush and apply the treatment with a brush or roller

Not recommended for use on concrete

but please understand the more information

Used to seal building joints to prevent the penetration of rain

CRL 2-1/2" DCD Series Straight Shank Electro-Formed Diamond Drill Glass Thickness Measuring Tools Coating Detectors & Meters First score the glass byFor Fast Cutting, High Production Runs Extended Work Life Two Mounting Styles to Choose From Straight Shank or Belgian Type These CRL Electro Formed Diamond Drills are thin walled, with a 1 2" (12. 7 mm) deep multi layer of diamonds and bonding matrix designed for high speed, high production drilling. These drills give outstanding results when exacting conditions are met. The CRL DCD Series features an extra long 1 3 8" x 3 8" (35 x 9. 5 mm) diameter