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Counterbore for Flat Head Screw Pilot Holes with Drill

Counterbore for Flat Head Screw Pilot Holes with Drill

A cutting tool with a drill that can perform pilot hole drilling and counterbore machining for countersunk machine screws at the same time.
[Features]
·As pilot hole drilling and counterbore machining can be done simultaneously, operation process is drastically shortened.
·A wide range of sizes.
[Applications]
·Ideal for pilot hole drilling and counterbore machining for countersunk machine screws at the same time.

PDF

Part Number

Configured Part Number is shown.

Part Number
DSS-4
DSS-6
DSS-8
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipNominal Outer Diameter (D)
(φ mm)
Outer Diameter Length (ℓ)
(mm)
Drill Diameter (D1)
(φ mm)
Drill Length (l)
(mm)
Overall Length (L)
(mm)
Shank diameter (d)

SGD 50.57

1 Piece(s) 4 Day(s) or more 49.5143.315556

SGD 71.94

1 Piece(s) 4 Day(s) or more 614165207110

SGD 98.06

1 Piece(s) 8 Day(s) or more 818.5186.8227610

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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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