CRL Unibit® 1/4" to 3/4" Step Drill Bit Belgian Threaded Diamond Countersinks CRL Diamond coolant should be DNS1TS
Yard notes & kiln story
Description
CRL Unibit® 1 4" to 3 4" Step Drill Bit Belgian Threaded Diamond Countersinks CRL Diamond coolant should be DNS1TS CRL Diamond coolant should be used and directed at the contact point of inward rotation of the glass and diamond router bit For 1 2" to 1" (12 to 25 mm) Glass Perfectly Round Holes in Thin Materials Designed for use with steel