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Hannibal 51432 514F General Purpose Straight Shank Interchangeable Pilot Counterbore, 1 in Dia Bore, 3/4 in Dia Shank, 6-3/8 in OAL, 3 Flutes, Carbide Tip/Alloy Steel Body, Pilot Shank Diameter Compatibility: 5/16 in

Selected Hannibal_51408.jpg
Hannibal_51408.jpg

Features

  • The counterbore is used to enlarge a preformed hole when a flat bottom is required or to spot face when a machine finish is required
  • The counterbore is an end cutting tool which may utilize a pilot to align the enlarged hole being machined with the preformed hole
  • Tool geometry and carbide grade appropriate for material being machined
  • Carbide tips brazed to tough hardened alloy steel body
  • Precision ground cutting edges
  • Steel cutting counterbores have secondary end relief on carbide for increased cutting edge strength
  • The 3-flute counterbore tends to reduce chatter and improves finish

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Description

Hannibal Interchangeable Pilot Counterbore, General Purpose Straight Shank, Series: 514F, 1 in Bore, 6-3/8 in Overall Length, 3/4 in Shank Diameter, 3 Flutes, Right Spiral Flute, Pilot Shank Diameter Compatibility: 5/16 in, Carbide Tip/Alloy Steel Body