This 4-Piece glass and tile drill bit set from Mibro – a 60 plus year old company selected as one of Canada’s “50 Best Managed Companies” contains 1/8-Inch, 3/16-Inch, 1/4-Inch, and 5/16-Inch drill bits. They have a carbide spear point with a uniquely sharpened edges for easy penetration in glass, mirrors, ceramic tiles and other hard brittle materials like Stucco. They cut a perfectly round hole with out chipping or breaking the material. All sizes 3/16-Inches and larger have 3 flats on the shank so that the drill chuck gets a better grip. A lubricant like water or WD-40 should be used when using these bits.
- Carbide Spear Point With Uniquely Sharpened Edges For Easy Penetration In Glass, Mirrors, Ceramics And Other Hard Brittle Materials Like Stucco
- Cuts Perfectly Round Holes Without Chipping Or Breaking The Material
- All Sizes 3/16-Inch And Larger Have 3 Flats On The Shaft To Prevent Slipping In The Drill Chuck
- Package Dimension : 5.7 ” L X 3.4 ” W X 0.5 ” H