Description
- About this item
- 【Spiral Groove Design】Enables a faster, more stable and smoother cutting. It can automatically chamfer the hole to clean the drill bit. Triangle Round Shank: Can be easily fit into power driver, drill and press drill.
- 【HSS & Titanium Coated】These step drill bits are made of heat-treated 4241 high-speed steel(HSS) with titanium nitride coating. Titanium coated to reduce friction and run cooler can effectively extend the service life.
- 【29 Sizes】3 standard size step drills have the following 29 sizes: 15 steps: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm); 9 steps: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); 5 steps: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm). A variety of drill sizes are perfect for your needs, saving you time.
- 【Ladder Structure】 A drill bit can drill holes of various specifications, no need to buy multiple drill bits, saving space and money.
- 【Application】Step Drill Bit Set can be used for workpieces with a hardness of less than 25° and a thickness of less than 5 mm. Suitable for Widely used to cut holes in a variety of materials like a plate, aluminum, insulation board, PVC board, and wood, etc.
CYLBAQ3pcs Spiral Step Drill Bit Set, Titanium Nitride Coating High-Speed Steel, 4mm to 12/20/32mm(5/32" to 5/4") Triangle Round Shank, HSS Cut Tool Set for DIY Plastic Wood Metal Aluminum Copper
