BORDO Reduced Shank HSS 1/2″ Shank Metric

Reduced shank HSS twist drill.
118° notched point with 30° helix.
Notched point is a variation on the standard chisel point, providing faster starting and reduced drill wander.
118° point angles are ideal for use in materials such as mild steel and cast iron.
The 118° point creates easily controlled chips which are wide and thin.
Bordo reduced shank HSS drills are ground and then a black finish is achieved by steam tempering, a thermal process resulting in a porous tool coating.
This surface aids chip flow and heat dissipation.
The drill is then ground a second time to achieve a bright finish on the shank and cutting edges.

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BORDO Extra Deep Hole HSS-Co5 Metric Series 2

HSS-Co5 (Cobalt) Extra Deep Hole Drills
DIN1869
HSS-Co5 (Cobalt), 130° UX Point, 40° Helix Parabolic.
Cobalt HSS drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.

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135° Split Point (crankshaft point)
Split point is self centering reducing the need for end thrust.
The 135° point provides superior performance when drilling harder steel materials.
In most situations it will produce thicker chips minimising work hardening of the cavity.
Faster penetration reduces abrasion and friction along the cutting edges.
Bright Finish Drills have no surface treatment and are supplied in the as-ground condition.
These tools are suitable for general purpose use, particularly for non-ferrous applications.

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1/4″ Hex Shank Twist Drill for Impact Drivers.
One piece solid core design is significantly more durable than the conventional two piece design that utilises a hex sleeve on a standard round drill bit.
Specifically engineered for use in impact drivers these bits are also fully compatible with conventional rotary drills.
135° split point delivers a precision start and prevents bit wander for fast, accurate holes.
Premium quality M2 HSS ensures extreme performance and long bit life.
1/4″ hex shank facilitates fast tool loading in cordless impact drivers and quick change adaptors.

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