KYOCERA Precision Tools, Inc.

Solid Round Series 390

Series 390

Ultra Precision Micro Drills
MACOR® / VESPEL® Drilling

0.0015" - 0.0040" DIAMETER

Image: Series 390 Diagram 1
  • Mirro Surface Finishes
  • Sub Micron Grain Carbide
  • Tol. D = +0.00000" / -0.00005"

STANDARD Flute Length

Micro Grain 130 Degree Point Right Hand 2 Flute
Drill Size Dimensions (in) Point Angle Uncoated
D d ℓ L Part Number
  0.0015 1/8 0.0200 1 1/2 90° 390-0015.020
  0.0018 1/8 0.0250 1 1/2 90° 390-0018.025
0.05mm 0.0020 1/8 0.0300 1 1/2 90° 390-0020.030
  0.0021 1/8 0.0300 1 1/2 90° 390-0021.030
  0.0022 1/8 0.0300 1 1/2 90° 390-0022.030
  0.0023 1/8 0.0300 1 1/2 90° 390-0023.030
0.06mm 0.0024 1/8 0.0300 1 1/2 90° 390-0024.030
  0.0025 1/8 0.0400 1 1/2 90° 390-0025.040
  0.0026 1/8 0.0400 1 1/2 90° 390-0026.040
  0.0027 1/8 0.0500 1 1/2 90° 390-0027.050
0.07mm 0.0028 1/8 0.0500 1 1/2 90° 390-0028.050
  0.0029 1/8 0.0500 1 1/2 90° 390-0029.050
  0.0030 1/8 0.0500 1 1/2 90° 390-0030.050
.08mm 0.0031 1/8 0.0500 1 1/2 90° 390-0031.050
  0.0032 1/8 0.0500 1 1/2 90° 390-0032.050
  0.0033 1/8 0.0500 1 1/2 90° 390-0033.050
  0.0034 1/8 0.0500 1 1/2 90° 390-0034.050
0.09mm 0.0035 1/8 0.0500 1 1/2 90° 390-0035.050
  0.0036 1/8 0.0500 1 1/2 90° 390-0036.050
  0.0037 1/8 0.0500 1 1/2 90° 390-0037.050
  0.0038 1/8 0.0500 1 1/2 90° 390-0038.050
  0.0039 1/8 0.0500 1 1/2 90° 390-0039.050
0.10mm 0.0040 1/8 0.0150 1 1/2 90° 390-0040.015
0.10mm 0.0040 1/8 0.0250 1 1/2 90° 390-0040.025
0.10mm 0.0040 1/8 0.0500 1 1/2 90° 390-0040.050
0.10mm 0.0040 1/8 0.0600 1 1/2 130° 390-0040.060

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Applicable Workpiece Materials
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SERIES 390 WORKPIECE MATERIALS


Coating Steel -30hrc Steel 30-40hrc Hardened Steel -55hrc Hardened Steel -68hrc Stainless Steel Cast Iron Aluminum Graphite Copper Alloy CFRP Plastic Thermoset Plastic High Density Plastic Nickel / Cobalt Titanium Alloy
Uncoated             ☆ ☆ ★ ☆ ★ ★ ★   ☆

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★ : Priority   ☆ : Applicable Material


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