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- Chip Free 90º Tapers
- Metal Bond Diamonds
- Straight Shank or Belgian Type Mounts
1-1/2" (38 mm)
2,200 - 2,600
This CRL Diamond Countersink features a medium grit diamond for grinding precise, chip-free, 90º 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. Countersinks are available in different angles and diameters by special request. Important Notes: Always wear the proper safety gear including gloves and eye protection when drilling and countersinking glass. Work should be performed on a flat, horizontal surface. A Ground Fault Circuit Interrupter (Cat. No. GF1) must be used when using any type of electric tool in conjunction with water or coolant. Failure to follow any of these precautions can result in operator injury.