Diamond Drill Bit, 5Pcs Hole Opener Drill Bit Electric Power Tool for Vitrified Brick/Stone/Marble/Granite/Concrete/Glass/Ceramic Tiles(12)
- Universal Shank: With universal shank type, can be installed on lithium electric drills, hand drills, bench drills and other equipment..
- High Speed Steel: These drill bits are made of excellent high speed steel, with HRC58‑65 hardness, wear resistant and durable..
- 4Pcs Drilling Tools: Including 3pcs step drill bit and a center punch, commonly used for woodworking grooving, drilling and cutting, etc..
- Multiple Specifications: The step drill can be used to drill holes of different specifications without changing the drill bit, which is convenient and practical..
- Applicable Plates: Burr free reaming, suitable for stainless steel, carbon steel, iron plate, aluminum plate, plastic plate, etc..