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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Extra Deep Hole HSS-Co5
BORDO Extra Deep Hole HSS-Co5 Metric Series 3
- 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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Long Reach (Aircraft) HSS
BORDO Long Reach (Aircraft) HSS Fractional
- Long Reach (Aircraft) Drill
- Long Reach Drills are suitable for all general purpose drilling where extra reach is required.
- Long Reach Drills are not designed to drill deep holes.
- Maximum hole depth must be less than the flute length (FL) of the drill.
- Deep hole drilling requires the use of a Bordo Long Series Drill, Bordo Extra Deep Hole Drill or Bordo Auger Bit depending on the material being drilled.
- 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.
- Black Finish 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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Colour Band
BORDO White Band HSS-Co TiAlN Cast Iron Drilling
- Bordo Metric White Band HSS-Co TiAlN Coated Twist Drills for Cast Iron.
- DIN338
- 118° / 70° DX point with two helical flutes with 33 degrees of helix angle.
- A highly abrasive material with damping and thermal conductivity, high strength and resistance to wear. Cast Iron is used extensively for mass produced components.
- The White Band Series is designed for this specific purpose. TiAlN coating increases tool surface hardness to 87Rc.
- For machining materials with Hardness < 300 HB : Tensile Strength <10900 N/mm2.
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