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Micro Drill, Type-N 3899 (Part Number)

Micro Drill, Type-N 3899
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Product Description

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.

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
Part NumberPriceMinimum Order Qty.Volume DiscountDays to ShipSố ngày giao hàngHole diameter (drill diameter) d1
(mm)
Groove Length l2
(mm)

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Basic InformationThông tin cơ bản

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