Spiral Step Drill Bit, Titanium Nitride Coating High-Speed Steel, 3pcs Black 4-12mm/4-20mm/4-32mm Triangle Round Shank Groove Cone, Drilling Tools
- HSS and titanium coated. These step drill bits are made of heat-treated high-speed steel (HSS) with titanium nitride coating. Titanium coated to reduce friction and effectively extend service life. This step drill also has good corrosion and rust resistance.
- Spiral flutes triangle round shaft design spiral groove: Allows for faster, more stable and smoother cutting. It can automatically chamfer the hole to clean the drill. Triangular round shaft: Can be easily inserted into power driver, drill and press drill.
- 29 sizes 3 step drill bits in standard size have the following 29 sizes: 15 steps: 4 32 mm (4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 24 mm, 26 mm, 28 mm, 30 mm, 32 mm); 9 steps: 4 20 mm (4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm); 5 steps: 4 12mm (4mm, 6mm, 8mm, 10mm, 12mm) A variety of drill sizes is perfect for your needs and saves you time.
- Usage;Used with pistol drill or bench drill, water it to cool while working to prolong its life, the proper drilling speed is 250-400 rpm.Suitable for these work-pieces that hardness is lower than 25 degree and the thickness is beyond 4mm, such as PVC board, wood, iron sheet, etc. Not suitable for drilling and cutting hard metals such as stainless steel.
- Customer satisfaction is our great motivation, we will do our best service, if you have any questions about this step drill, please feel to contact us.
240.89 kr
You Save 227.63 krView at AmazonBuy now
You Save 227.63 krView at AmazonBuy now
Amazon price as of 2024-01-27 16:22Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
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Spiral Step Drill Bit, Titanium Nitride Coating High-Speed Steel, 3pcs Black 4-12mm/4-20mm/4-32mm Triangle Round Shank Groove Cone, Drilling Tools Review
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