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Counterbore for Flat Head Screw Pilot Holes with Drill (Part Numbers)

Counterbore for Flat Head Screw Pilot Holes with Drill
  • Volume Discount

Can perform punching and counterbore machining at the same time. Milling cutter for counterbore machining of countersunk screw.

Part Number

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Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountShipping Days?Nominal Outer Diameter (D)
(φ mm)
Outer Diameter Length (ℓ)
Drill Diameter (D1)
(φ mm)
Drill Length (l)
Overall Length (L)
Shank diameter (d)

37.62 €

1 Available 14 Days 49.5143.315556

45.75 €

1 Available 14 Days 512164.215618

55.01 €

1 Available 14 Days 614165207110

76.23 €

1 Available 18 Days 818.5186.8227610


  1. 1

Basic information

Tool Material Type High-speed steel (SKH51) Machining Application Countersinking / Drilling Angle (θ)(°) 90°
Number of flutes(sheet) 2 Coating Non-Coated Torsion Angle (θ)(°) Torsion (25°)
O.D. Tolerance 0~+0.2 Drill Diameter Tolerance 0~-0.05

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