MIYANAGA
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The actual sizes are in metric, and imperial sizes are approximate.
Cutter size D Part No. Overall length L Body length l Number of tips Center drill
  mm inch
16mm 5/8" 278P016 86mm
(3-25/64")
35mm
(1-3/8")
3pcs. PC6-69
(Accessory)
  17mm 21/32" 278P017 4pcs.
18mm 45/64" 278P018
19mm 3/4" 278P019
20mm 25/32" 278P020
21mm 13/16" 278P021
22mm 7/8" 278P022
23mm 29/32" 278P023 PC8-69
(Accessory)
  24mm 15/16" 278P024
25mm 1" 278P025
  26mm 1-1/64" 278P026
27mm 1-1/16" 278P027
28mm 1-3/32" 278P028 6pcs.
  29mm 1-1/8" 278P029
30mm 1-3/16" 278P030
  31mm 1-7/32" 278P031
32mm 1-1/4" 278P032
33mm 1-9/32" 278P033
34mm 1-5/16" 278P034
35mm 1-3/8" 278P035 8pcs.
36mm 1-13/32" 278P036
  37mm 1-7/16" 278P037
38mm 1-1/2" 278P038
  39mm 1-17/32" 278P039
40mm 1-9/16" 278P040
  41mm 1-39/64" 278P041
42mm 1-5/8" 278P042 10pcs.
  43mm 1-11/16" 278P043
  44mm 1-23/32" 278P044
45mm 1-3/4" 278P045
  46mm 1-51/64" 278P046
  47mm 1-13/16" 278P047
48mm 1-7/8" 278P048
  49mm 1-59/64" 278P049
50mm 2" 278P050
  51mm 2-1/64" 278P051
  52mm 2-3/64" 278P052
  53mm 2-1/16" 278P053
  54mm 2-7/64" 278P054
55mm 2-1/8" 278P055 12pcs.
60mm 2-3/8" 278P060 111mm
(4-21/64")
60mm
(2-3/8")
PC8-94
(Accessory)
  61mm 2-25/64" 278P061
  62mm 2-7/16" 278P062
65mm 2-9/16" 278P065
70mm 2-3/4" 278P070
  75mm 2-7/8" 278P075 14pcs.
  77mm 3-1/32" 278P077
80mm 3-1/8" 278P080
  85mm 3-3/8" 278P085 16pcs.
  90mm 3-1/2" 278P090
  95mm 3-3/4" 278P095
  100mm 3-7/8" 278P100 18pcs.
  105mm 4-1/8" 278P105 136mm
(5-23/64")
85mm
(3-3/8")
PC8-120
(Accessory)
  110mm 4-1/4" 278P110 20pcs.
  115mm 4-1/2" 278P115
  120mm 4-3/4" 278P120



Item Part No. Size
PC6-69 278PCD669 o5.9mm x 69mm L (o15/64" x 2-23/32" L)
PC8-69 278PCD869 o7.9mm x 69mm L (o5/16" x 2-23/32" L)
PC8-94 278PCD894 o7.9mm x 94mm L (o5/16" x 3-45/64" L)
PC8-120 278PCD8120 o7.9mm x 120mm L (o5/16" x 4-3/4" L)