BORDO Depth Stop Collars for TCT Countersinks – 3 Pce Set
- Depth Stop Collars for TCT Countersinks – 3 Pce Set
- Depth Stop Collars to suit 2202 series TCT Countersinks – 3 Piece Set
- Achieves accurate countersinking depths of 2mm, 4mm or 6mm.
SKU: 2202-3ST
Categories: Specialist, Tungsten Carbide Tipped Countersink Drills
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Bit Sets
BORDO IMPACT Hex Shank HSS Twist Drill Set
- 1/4″ hex shank facilitates fast tool loading in cordless impact drivers and quick change adaptors.
- 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.
- 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.
- Bordo Impact Bits are designed and manufactured for optimum performance in modern impact drivers.
- Not only do they offer significantly increased bit life in impact applications but they also offer exceptional performance in standard driving usage.
- The impact driver action places high peak torque demands on both insert and power bits.
- Our range features a uniquely engineered torsion zone with multi-stage hardening and tempering to dissipate damaging peak loads.
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Long Series HSS
BORDO Long Series Black HSS Metric
- ANSI B94-11
- 118° chisel point with 30° helix.
- Chisel point is suitable for general purpose drilling.
- Black Finish Twist Drills (also called blue finish) achieve their distinctive colour by steam tempering, a thermal process resulting in a porous tool coating.
- This surface helps to keep lubricant on the tool, particularly important on the cutting edges, thus reducing friction and cold welding. The result is increased tool life.
- Black finish tools are generally recommended for ferrous applications where the oxide layer aids chip flow and heat dissipation.
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Reduced Shank HSS
BORDO Reduced Shank HSS 1/2″ Shank Fractional
- 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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Colour Band
BORDO Yellow Band HSS Aluminium Drilling
- Bordo Metric Yellow Band HSS Twist Drills for Aluminium and its alloys.
- DIN338
- 130° web thinned point with two helical flutes with 35 degrees of helix angle.
- The alloying elements which achieve varying Aluminium Alloys have an effect on the machining properties of these materials.
- This generally creates a difficult long chip formation and material which has tendencies to stick to the tool, placing a unique set of demands on tooling. Yellow Band Series contends with these difficulties.
- For machining materials with Hardness < 200 HB : Tensile Strength <700 N/mm2.
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