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About this item:
- Step Tip Step Drill 4-32mm Co5 TiAlN 3-Flat Round Shank
- HSS-Co5 (Cobalt) Titanium Aluminium Nitride Coated (TiAlN) step drills offer unparalleled performance when drilling hard metals such as stainless steel.
- Step Tip negates the need for a pilot drill in metals and provides extreme drilling speeds in ferrous and non-ferrous metals, plastic and all timbers.
- Laser marked diameters on each step for fast identification.
- HSS-Co5 material provides increased performance and tool life when machining tough steels.
- Bordo step drills are ideal for electrical contractors, sheetmetal workers and auto mechanics.
- Step drills are designed for drilling repetitive holes in steel, stainless steel, copper, brass, aluminium, plastic, plexiglas, laminates and many other materials.
- Automatic deburring.
- Spiral flutes enable easier tool penetration.
- Titanium Aluminium Nitride (TiAlN) is a thin film coating that was developed from Titanium Nitride.
- TiAlN offers higher temperature resistance than TiN, as well as slightly higher hardness and especially higher hot hardness (i.e. the hardness at high temperatures).
- It is primarily used in high temperature environments above the limits of TiN usage.
- This coating works by forming a thin surface layer of Alumina (Al2O3), or Aluminium Oxide ceramic.
- As the layer wears it continuously reforms.
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