For countersinking and deburring in a wide range of materials including ferrous and non-ferrous metals
The three fluted countersink is self centering with wide flutes and is used to provide a heavy chamfer in the entrance to a drilled hole.
This may be required to allow the correct seating for a countersunk head screw or to provide the lead in for a second machining operation such as tapping.
Use on medium to hard materials.
Resharpenable.
HSS-Co5 (Cobalt) countersinks are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.
Bronze Finish (gold oxide) surface treatment. The metallic brown coloured low temperature temper treatment is normally only used on cobalt tools for identification purposes.
Gold Finish TiN Coating (Titanium Nitride) helps to dissipate heat and reduces friction and cold welding.
The coating higher speed and feed rates can be achieved and tool life is greatly increased.
The TiN coating is achieved by Physical Vapour Deposition (PVD).
Bordo Ship Augers are single twist bits, easily recognised by their lack of a central core.
The ship head features a single cutter with a coarse screw.
Their open pattern allows for the efficient evacuation of shavings and makes them ideal for deep hole applications.
The absence of cutting spurs (or lips) makes them less susceptible to deviation due to grain and imperfections making them the preferred option for timber with a strong grain.
Hardened cutting edge for long life in hard timber, including nail-embedded wood.
Ideal for deep hole applications.
Fully-forged bit for maximum durability.
Resharpenable.
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Sutton Tools Blue Bullet jobber drills are a general purpose drill bit designed for machine and hand held drilling ferrous metals. The blue finish reduces chip build up on the cutting edge and is a better choice when drilling ferrous materials.