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Micro Drill, Type-N 3899 (Part Numbers)

Micro Drill, Type-N 3899

GUHRING

GUHRING

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.

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)
30
60
90
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Part Number
Part NumberMinimum order quantityVolume DiscountDays to ShipHole diameter (drill diameter) d1
(mm) 		Groove Length l2
(mm)

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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

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210 Part Numbers

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Specification/Dimensions

  • Hole diameter (drill diameter) d1(mm)

    • 0.1
    • 0.11
    • 0.12
    • 0.13
    • 0.14
    • 0.15
    • 0.16
    • 0.17
    • 0.18
    • 0.19
    • 0.2
    • 0.21
    • 0.22
    • 0.23
    • 0.24
    • 0.25
    • 0.26
    • 0.27
    • 0.28
    • 0.29
    • 0.3
    • 0.31
    • 0.32
    • 0.33
    • 0.34
    • 0.35
    • 0.36
    • 0.37
    • 0.38
    • 0.39
    • 0.4
    • 0.41
    • 0.42
    • 0.43
    • 0.44
    • 0.45
    • 0.46
    • 0.47
    • 0.48
    • 0.49
    • 0.5
    • 0.51
    • 0.52
    • 0.53
    • 0.54
    • 0.55
    • 0.56
    • 0.57
    • 0.58
    • 0.59
    • 0.6
    • 0.61
    • 0.62
    • 0.63
    • 0.64
    • 0.65
    • 0.66
    • 0.67
    • 0.68
    • 0.69
    • 0.7
    • 0.71
    • 0.72
    • 0.73
    • 0.74
    • 0.75
    • 0.76
    • 0.77
    • 0.78
    • 0.79
    • 0.8
    • 0.81
    • 0.82
    • 0.83
    • 0.84
    • 0.85
    • 0.86
    • 0.87
    • 0.88
    • 0.89
    • 0.9
    • 0.91
    • 0.92
    • 0.93
    • 0.94
    • 0.95
    • 0.96
    • 0.97
    • 0.98
    • 0.99
    • 1
    • 1.01
    • 1.02
    • 1.03
    • 1.04
    • 1.05
    • 1.06
    • 1.07
    • 1.08
    • 1.09
    • 1.1
    • 1.11
    • 1.12
    • 1.13
    • 1.14
    • 1.15
    • 1.16
    • 1.17
    • 1.18
    • 1.19
    • 1.2
    • 1.21
    • 1.22
    • 1.23
    • 1.24
    • 1.25
    • 1.26
    • 1.27
    • 1.28
    • 1.29
    • 1.3
    • 1.31
    • 1.32
    • 1.33
    • 1.34
    • 1.35
    • 1.36
    • 1.37
    • 1.38
    • 1.39
    • 1.41
    • 1.42
    • 1.43
    • 1.44
    • 1.45
    • 1.46
    • 1.47
    • 1.48
    • 1.49
    • 1.5
    • 1.51
    • 1.52
    • 1.53
    • 1.54
    • 1.55
    • 1.56
    • 1.57
    • 1.58
    • 1.59
    • 1.6
    • 1.61
    • 1.62
    • 1.63
    • 1.64
    • 1.65
    • 1.66
    • 1.67
    • 1.68
    • 1.69
    • 1.7
    • 1.71
    • 1.72
    • 1.73
    • 1.74
    • 1.75
    • 1.76
    • 1.77
    • 1.78
    • 1.79
    • 1.8
    • 1.81
    • 1.82
    • 1.83
    • 1.84
    • 1.85
    • 1.86
    • 1.87
    • 1.88
    • 1.89
    • 1.9
    • 1.91
    • 1.92
    • 1.93
    • 1.94
    • 1.95
    • 1.96
    • 1.97
    • 1.98
    • 1.99
    • 2
    • 2.05
    • 2.1
    • 2.15
    • 2.2
    • 2.25
    • 2.3
    • 2.35
    • 2.4
    • 2.45
    • 2.5
    • 2.55
    • 2.6
    • 2.65
    • 2.7
    • 2.75
    • 2.8
    • 2.85
    • 2.9
    • 2.95
    • 3

    Clear

  • Groove Length l2(mm)

    • 1.2
    • 1.4
    • 2
    • 2.5
    • 3
    • 5
    • 6
    • 7
    • 8
    • 10
    • 12

    Clear

  • type

    • 3899

    Clear

Days to Ship

    • All
    • 9 Day(s) or Less
    • 10 Day(s) or Less
    • 11 Day(s) or Less

    Clear

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