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Micro Drill, Type-N 3899 (Part Numbers)

Micro Drill, Type-N 3899

Achieves high-precision and long-life small diameter hole machining by adoption of base material with high breaking resistance and specialized coating ideal for small-diameter drills. The shank diameters are unified at φ3. Lineup featuring sizes in 1/100 increments.

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Part Number

Configured Part Number is shown.

3899-000.420

Configured Specifications

Hole diameter (drill diameter) d1(mm)0.42Groove Length l2(mm)7
work materialgeneral steel[○] / Quenched and tempered steel[○] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○]Tool Material TypeCarbide
Overall Length L1(mm)38Coating Y/NAvailable
Coating TypeAWith/without Oil HoleNA
Number of flutes(sheet)2Tip angle(°)140
Shank diameter d2(mm)3StandardG.S.
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Blade diameter toleranceh7Shank diameter toleranceh6
Coating DetailsTiAlN - -
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Features

●Ultra-fine particles(DK460UF) realizes a high-quality and stable blade edge shape, strength, rigidity, breakage resistance, and dispersion.
●Alumina coat enables long life and stable processing.
●The shank diameter is unified to 3mm, making it easy to us

Usage

●Work Material: Steel for General Structure, Carbon Steel, Alloy Steel, Stainless Steel, Cast Iron.

Specification

●T(mm):38
●S(mm):3
●Surface Treatment: Alumina Coating
●Effective Processing Height: 4D (cutting diameter x 4)

Materials

●Micro Grain Carbide(DK460UF)
Part Number
3899-000.420
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipHole diameter (drill diameter) d1
(mm)
Groove Length l2
(mm)

MYR 381.06

1 Piece(s) 10 Day(s) 0.427
Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipHole diameter (drill diameter) d1
(mm)
Groove Length l2
(mm)
  1. 1

Basic Information

work material general steel / Quenched and tempered steel / Stainless Steel / Cast Iron / Aluminum Tool Material Type Carbide Overall Length L1(mm) 38
Coating Y/N Available Coating Type A With/without Oil Hole NA
Number of flutes(sheet) 2 Tip angle(°) 140 Shank diameter d2(mm) 3
Standard G.S. Blade diameter tolerance h7 Shank diameter tolerance h6
Coating Details TiAlN

Please check the type/dimensions/specifications of the part 3899-000.420 in the Micro Drill, Type-N 3899 series.

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Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipHole diameter (drill diameter) d1
(mm)
Groove Length l2
(mm)

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