Additional information
| Size | 6.35mm, 10mm, 15mm, 20mm, 25mm, 30mm, 40mm |
|---|
BORDO HSS Co5 TiN Coated Cross Hole 90° Countersink
- Cross hole countersinks are ideal for countersinking and deburring in a wide range of materials including ferrous and non-ferrous metals.
- The intersection of the hole and cone form the cutting edge on the tool.
- The cone is not truly symmetrical as it is essential that the cone retreats away from the cutting edge as the tool rotates.
- If this does not occur the cutting edge will lack clearance and rub rather than bite into the material.
- This clearance is referred to as cutting relief.
- The radially relieved single cutting edge provide fast stock removal with low vibration for chatter- free operation ensuring the smoothest finish.
- These tools are best used as deburring tools, where a burr, or sharp edge, from a previous machining operation needs to be removed for cosmetic and safety reasons, however they may be used in softer materials (such as wood or plastic) to create a countersunk hole for a screw.
- Titanium Nitride (TiN) Coated Countersinks have a very hard gold coloured surface finish.
- This coating is only a few microns thick and is achieved by Physical Vapour Deposition (PVD).
- This treatment results in reduced friction, greater heat dissipation and reduced cold welding – which means higher speed and feed rates with greatly increased tool life.
- As with all surface coated tools, performance will deteriorate after resharpening.
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