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BORDO HSS Co5 Bright Cross Hole 60° 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.
Sutton Tools Heavy Duty Cobalt jobber drills are industrial quality for drilling materials that have high hardness and tensile strength such as cast iron, bronze, hard steel & stainless steel. These drill bits feature a thick core for increased rigidity in hard materials.
Sutton Tools Silver Bullet jobber drills are a general purpose drill bit designed for machine and hand held drilling in a wide range of ferrous & non-ferrous materials such as steel, aluminium, brass, wood & plastics.
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.