KYOCERA Precision Tools, Inc.

Solid Round Series MR66

Series MR66

6 Flute Micro Reamers (6.00mm Shank)
Standard Length

3.97mm - 5.90mm DIAMETER

Image: Series MR66 Diagram
  • Mirror Surface Finishes
  • Sub Micron Grain Carbide
  • Left-Hand Spiral, Right-Hand Cutting
  • For Reaming Through Holes
  • Tol. D = +0.003mm / -0.000mm, d = h6

STANDARD Length (Metric)

Micro Grain 45 Degree Chamfer Angle 6 Flutes
Dimensions (mm) Uncoated AlTiN Coated
D d ℓ L R Part Number Part Number
3.97 6 21 77 45 MR66-1563.827 MR66-1563L827
3.98 6 21 77 45 MR66-1567.827 MR66-1567L827
3.99 6 21 77 45 MR66-1571.827 MR66-1571L827
4.00 6 21 77 45 MR66-1575.827 MR66-1575L827
4.01 6 21 77 45 MR66-1579.827 MR66-1579L827
4.02 6 21 77 45 MR66-1583.827 MR66-1583L827
4.03 6 21 77 45 MR66-1587.827 MR66-1587L827
4.10 6 21 77 45 MR66-1614.827 MR66-1614L827
4.20 6 21 77 45 MR66-1654.827 MR66-1654L827
4.30 6 21 77 45 MR66-1693.827 MR66-1693L827
4.40 6 21 77 45 MR66-1732.827 MR66-1732L827
4.50 6 21 77 45 MR66-1772.827 MR66-1772L827
4.60 6 21 77 45 MR66-1811.827 MR66-1811L827
4.70 6 21 77 45 MR66-1850.827 MR66-1850L827
4.80 6 21 77 45 MR66-1890.827 MR66-1890L827
4.90 6 21 77 45 MR66-1929.827 MR66-1929L827
4.97 6 26 93 59 MR66-1957.1024 MR66-1957L1024
4.98 6 26 93 59 MR66-1961.1024 MR66-1961L1024
4.99 6 26 93 59 MR66-1965.1024 MR66-1965L1024
5.00 6 26 93 59 MR66-1968.1024 MR66-1968L1024
5.01 6 26 93 59 MR66-1972.1024 MR66-1972L1024
5.02 6 26 93 59 MR66-1976.1024 MR66-1976L1024
5.03 6 26 93 59 MR66-1980.1024 MR66-1980L1024
5.10 6 26 93 59 MR66-2008.1024 MR66-2008L1024
5.20 6 26 93 59 MR66-2047.1024 MR66-2047L1024
5.30 6 26 93 59 MR66-2087.1024 MR66-2087L1024
5.40 6 26 93 59 MR66-2126.1024 MR66-2126L1024
5.50 6 26 93 59 MR66-2165.1024 MR66-2165L1024
5.60 6 26 93 59 MR66-2205.1024 MR66-2205L1024
5.70 6 26 93 59 MR66-2244.1024 MR66-2244L1024
5.80 6 26 93 59 MR66-2283.1024 MR66-2283L1024
5.90 6 26 93 59 MR66-2323.1024 MR66-2323L1024
Applicable Workpiece Materials
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SERIES MR66 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
AlTiN ★ ★ ★ ★ ★ ☆               ★ ★
Uncoated ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆

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★ : Priority   ☆ : Applicable Material


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