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Diamond coated Coring drills used for drilling holes in glass, tile, marble, slate etc… Set has 6 different diameter core drills, nickel plated with 1/4" shanks. Lapidary Bits Rotary Points Use with Foredom - Dermal - Rotary Tools
Diamond coated drills with 1/4" - 6.1mm shanks, 6 piece assorted sizes.
Diamond Coated rotary bits must be used with a coolant (Water will do NO OILS) to prevent overheating and wearing out the diamond thus extending the life and usage of the coated abrasive.
Burs can be used on Ceramics, Glass, Semi-Precious Stones, Ceramics, Slate ...
Diamond Drill Bits use in: Lapidary, Glass Work, Stones, Plastics and Ceramics Jewelry and Crafts
Drills Specifications:
- Bur Shank Diameter: 1/4" - 6.1mm
- Burs Lengths: 2" - 50.3mm
- Shank Length: 1" - 25.64
- Drill Hole Diameter Sizes: 5/32" - 3/16" - 1/4" - 5/16" - 3/8" - 1/2"
- Tools come in a Plastic Storage Box
