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Home > Products > Cutting Tools > Counterbore
180ºThree Flute HSS Counterbores with Solid Pilot For Through Hole Medium Grade(m)
◆ Used for milling of pre-drilled holes to allow bolts or cup head screws to lie flush with the component surface;
◆ Spiral flutes guarantee completely smooth running and high cutting performance;
◆ Large and Spiral chip space allows faster and easier chip removal;
◆ Longer tool life compared with straight flute type
Variants
  • Bolt Thread
  • Cutter Dia
  • Shank Style

    • ◆ Used for milling of pre-drilled holes to allow bolts or cup head screws to lie flush with the component surface;
    ◆ Spiral flutes guarantee completely smooth running and high cutting performance;
    ◆ Large and Spiral chip space allows faster and easier chip removal;
    ◆ Longer tool life compared with straight flute type

    ◆ Spiral flutes guarantee completely smooth running and high cutting performance;
    ◆ Large and Spiral chip space allows faster and easier chip removal;
    ◆ Longer tool life compared with straight flute type
    · Used for milling of pre-drilled holes to allow bolts or cup head screws to lie flush with the component surface
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