Series 122
Four Flute
Extended Length
Series 123
Two Flute
Extended Length
Designed for deep pocket
milling and other applications where standard flute lengths
are too short.
General purpose milling of most materials.
Four flutes offer strength necessary to combat deflection
due to long overhang.
Two flute design ideal for easier to machine metals
and non-metallic materials.
Micrograin 10% cobalt grade.
Imperial
| Series 122 Part # |
Series 123 Part # |
Size | Flute Length |
Shank Diameter |
Overall Length |
| 12212500 | 12312500 | 1/8 | 1 | 1/8 | 2-1/2 |
| 12218750 | 12318750 | 3/16 | 1-1/8 | 3/16 | 3 |
| 12225000 | 12325000 | 1/4 | 1-1/4 | 1/4 | 3 |
| 12231250 | 12331250 | 5/16 | 1-3/8 | 5/16 | 3-1/4 |
| 12237500 | 12337500 | 3/8 | 1-1/2 | 3/8 | 3-1/2 |
| 12243750 | 12343750 | 7/16 | 1-3/4 | 7/16 | 4 |
| 12250000 | 12350000 | 1/2 | 2 | 1/2 | 4 |
| 12262500 | 12362500 | 5/8 | 2-1/2 | 5/8 | 4-5/8 |
| 12275000 | 12375000 | 3/4 | 3 | 3/4 | 5-1/4 |
| 12210000 | 12310000 | 1 | 3 | 1 | 6 |
Metric
| Series 122 Part # |
Series 123 Part # |
Size | Flute Length |
Shank Diameter |
Overall Length |
| 12211810 | 12311810 | 3 | 25 | 3 | 64 |
| 12223620 | 12323620 | 6 | 30 | 6 | 76 |
| 12231500 | 12331500 | 8 | 35 | 8 | 83 |
| 12239370 | 12339370 | 10 | 40 | 10 | 89 |
| 12247240 | 12347240 | 12 | 50 | 12 | 102 |
| 12262990 | 12362990 | 16 | 65 | 16 | 117 |
| 12278740 | 12378740 | 20 | 80 | 20 | 133 |
| 12298430 | 12398430 | 25 | 80 | 25 | 152 |
Series 163
Four Flute Stub Length
Series 164
Two Flute Stub Length
Designed for aggressive
milling of most materials
Recommended for most general purpose applications.
Designed for reduced deflection, improved tool life
and overall economy.
Micrograin 10% cobalt grade
Imperial
| Series 163 Part # |
Series 164 Part # |
Size | Flute Length |
Shank Diameter |
Overall Length |
| 16301560 | 16401560 | 1/64 | 0.023 | 1/8 | 1-1/2 |
| 16303120 | 16403120 | 1/32 | 1/16 | 1/8 | 1-1/2 |
| 16304680 | 16404680 | 3/64 | 3/32 | 1/8 | 1-1/2 |
| 16306250 | 16406250 | 1/16 | 1/8 | 1/8 | 1-1/2 |
| 16307810 | 16407810 | 5/64 | 5/32 | 1/8 | 1-1/2 |
| 16309370 | 16409370 | 3/32 | 3/16 | 1/8 | 1-1/2 |
| 16310930 | 16410930 | 7/64 | 7/32 | 1/8 | 1-1/2 |
| 16312500 | 16412500 | 1/8 | 1/4 | 1/8 | 1-1/2 |
| 16314060 | 16414060 | 9/64 | 5/16 | 3/16 | 2 |
| 16315620 | 16415620 | 5/32 | 5/16 | 3/16 | 2 |
| 16317180 | 16417180 | 11/64 | 3/8 | 3/16 | 2 |
| 16318750 | 16418750 | 3/16 | 3/8 | 3/16 | 2 |
| 16320310 | 16420310 | 13/64 | 1/2 | 1/4 | 2 |
| 16321870 | 16421870 | 7/32 | 1/2 | 1/4 | 2 |
| 16323430 | 16423430 | 15/64 | 1/2 | 1/4 | 2 |
| 16325000 | 16425000 | 1/4 | 1/2 | 1/4 | 2 |
| 16328120 | 16428120 | 9/32 | 1/2 | 5/16 | 2 |
| 16331250 | 16431250 | 5/16 | 1/2 | 5/16 | 2 |
| 16337500 | 16437500 | 3/8 | 9/16 | 3/8 | 2 |
| 16343750 | 16443750 | 7/16 | 5/8 | 7/16 | 2-1/2 |
| 16350000 | 16450000 | 1/2 | 5/8 | 1/2 | 2-1/2 |
| 16362500 | 16462500 | 5/8 | 3/4 | 5/8 | 3 |
| 16375000 | 16475000 | 3/4 | 1 | 3/4 | 3 |
Metric
| Series 163 Part # |
Series 164 Part # |
Size | Flute Length |
Shank Diameter |
Overall Length |
| 16303940 | 16403940 | 1 | 2 | 3 | 38 |
| 16305910 | 16405910 | 1.5 | 3 | 3 | 38 |
| 16307870 | 16407870 | 2 | 4 | 3 | 38 |
| 16309840 | 16409840 | 2.5 | 5 | 3 | 38 |
| 16311810 | 16411810 | 3 | 6 | 3 | 38 |
| 16313780 | 16413780 | 3.5 | 7 | 4 | 51 |
| 16315750 | 16415750 | 4 | 8 | 4 | 51 |
| 16317720 | 16417720 | 4.5 | 9 | 5 | 51 |
| 16319680 | 16419680 | 5 | 11 | 5 | 51 |
| 16321650 | 16421650 | 5.5 | 12 | 6 | 51 |
| 16323620 | 16423620 | 6 | 13 | 6 | 51 |
| 16327560 | 16427560 | 7 | 13 | 8 | 51 |
| 16331500 | 16431500 | 8 | 13 | 8 | 51 |
| 16335430 | 16435430 | 9 | 14 | 9 | 51 |
| 16339370 | 16439370 | 10 | 14 | 10 | 51 |
| 16343310 | 16443310 | 11 | 16 | 11 | 64 |
| 16347240 | 16447240 | 12 | 16 | 12 | 64 |
| 16355120 | 16455120 | 14 | 18 | 14 | 70 |
| 16362990 | 16462990 | 16 | 20 | 16 | 76 |
| 16370870 | 16470870 | 18 | 25 | 18 | 76 |
Series 161
Four Flute Stub Length
Double End
Series 162
Two Flute Stub Length
Double End
Designed for aggressive
milling of most materials
Recommended for most general purpose applications.
Designed for reduced deflection, improved tool life
and overall economy.
Micrograin 10% cobalt grade
* Discontinued , subject to stock availability
Imperial
| Series
161 Part # |
Series 162 Part # |
Size | Flute Length |
Shank Diameter |
Overall Length |
| 16103120 | 16203120 | 1/32 | 1/16 | 1/8 | 1-1/2 |
| 16104680 | 16204680 | 3/64 | 3/32 | 1/8 | 1-1/2 |
| 16106250 | 16206250 | 1/16 | 1/8 | 1/8 | 1-1/2 |
| 16107810 | 16207810 | 5/64 | 5/32 | 1/8 | 1-1/2 |
| 16109370 | 16209370 | 3/32 | 3/16 | 1/8 | 1-1/2 |
| 16110930 | 16210930 | 7/64 | 7/32 | 1/8 | 1-1/2 |
| 16112500 | 16212500 | 1/8 | 1/4 | 1/8 | 1-1/2 |
| 16114060 | 16214060 | 9/64 | 5/16 | 3/16 | 2 |
| 16115620 | 16215620 | 5/32 | 5/16 | 3/16 | 2 |
| 16118750 | 16218750 | 3/16 | 3/8 | 3/16 | 2 |
| - | 16221870* | 7/32 | 1/2 | 1/4 | 2-1/2 |
| 16123430 | 16223430 | 15/64 | 1/2 | 1/4 | 2-1/2 |
| 16125000 | 16225000 | 1/4 | 1/2 | 1/4 | 2-1/2 |
| - | 16231250* | 5/16 | 1/2 | 5/16 | 2-1/2 |
| 16137500 | 16237500 | 3/8 | 9/16 | 3/8 | 2-1/2 |
| - | 16243750* | 7/16 | 5/8 | 7/16 | 3 |
| - | 16250000* | 1/2 | 5/8 | 1/2 | 3 |
| - | 16262500* | 5/8 | 3/4 | 5/8 | 3-1/2 |
Metric
| Series 161 Part # |
Series 162 Part # |
Size | Flute Length |
Shank Diameter |
Overall Length |
| 16103940* | 16203940* | 1 | 2 | 3 | 38 |
| - | 16207870* | 2 | 4 | 3 | 38 |
| - | 16213780* | 3.5 | 7 | 4 | 51 |
Due to the fact that we are continuously improving our products, the descriptions, illustrations,
specifications,dimensions, and part numbers are subject to change without notice.
Every effort has been made to have the information on this site error free, we can not be responsible for errors and or omissions.
Airtek (1990) Ltée, 5750 Donahue St., Montreal, Qc, Canada, H4S 1C1
Tel: 514-336-3820