5Pcs Woodworking Drill Bit Hole Opener, Self-Centering Hole Sawing Machine, Adjustable Hinge Reamer Tool Set (15Mm, 20Mm, 25Mm, 30Mm, 35Mm)
- 4Pcs Drilling Tools: Including 3pcs step drill bit and a center punch, commonly used for woodworking grooving, drilling and cutting, etc..
- Applicable Plates: Burr free reaming, suitable for stainless steel, carbon steel, iron plate, aluminum plate, plastic plate, 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..
- 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..