Page 590 - Tungaloy Catalog

TAC Mills (Inch)

T E

R S C T Inscribed
circle dia.
Bore type (in)
Shank type Symbol Size Symbol Size Symbol Size Symbol Size
Effective
Q Centering plug Cutting 06 .250 06 .255 11 .433 .250 cutter diameter
Machine spindle edge Body diameter
angle 07 .313 08 .319 13 .543 .313
Adapter 09 .375 09 .375 09 .382 16 .650 .375 Effective diameter
Mounting bolt Symbol Relief angle Symbol (in)
Cutter body
C 7° 10 .394 - - - - - - .394 050 1.97
D 15° 12 .472 - - - - - - .472 063 2.480
Symbol Type Symbol Cutting edge angle E 20° 12 .500 12 .500 12 .508 22 .866 .500 080 3.150
V Vertical insert X Others F 25° 15 .625 15 .625 16 .634 27 1.08 .625 100 3.937
Q Quick change Z Others N 0° 16 .630 - - - - - - .630 125 4.921
E Shank V Others P 11° 19 .750 19 .750 19 .760 33 1.30 .750 160 6.299
T Bore P 90˚ ~ 80˚ X Others 20 .787 - - - - - - .787 200 7.874
9.843
250
S Special E 80˚ ~ 70˚ 25 .984 - - - - - - .984 315 12.402
D All PCD tipped D 60˚ ~ 50˚ 25 1.000 25 .630 25 1.016 44 1.73 1.000 355 13.976
Q All PCBN tipped A 50˚ ~ 40˚ 31 1.250 31 1.25 32 1.268 55 2.16 1.250 400 15.748
1 Type 2 Angle 3 Relief angle 4 Cutting edge length 5 Effective cutter diameter

1 2 3 4 5 6 7
T A D 12 063 R I
Example
Metric system 9

T M D 4 4 06 R I
Example
Inch system TAC Mills

1 8 3 9 10 11 6 7

8 Application,etc. 9 Size of applicable insert 10 Angle 11 Effective cutter diameter 6 Direction of cut 7 Additional feature
Symbol Application, geometry etc. Symbol I. C. (in) SymbolCutting edge angle Symbol Effective diameter (in) R B Close pitch
M For machining centers 3 .375 0 90˚ ~ 80˚ 50 1.97 I Irregular pitch
F For finishing 4 .500 1 80˚ ~ 70˚ 63 2.480 A (-A) Modified type
G General purpose 5 .625 2 70˚ ~ 60˚ 03 3.150 Right hand S For
S For square shoulder 6 .750 3 60˚ ~ 50˚ 04 3.937 L distinguishing
shank size
milling
H High rake geometry 7 .875 4 50˚ ~ 40˚ 05 4.921 L Long shank
P Negative axial, positive 8 1.000 5 40˚ ~ 30˚ 06 6.299 B I a
radial rake geometry
R Use round inserts 9 1.250 6 30˚ ~ 20˚ 08 7.874 Left hand b
U For difficult to cut 7 20˚ ~ 10˚ 10 9.843
materials
C For chamfering 12 12.402 g
Irregular pitch
L Long edge type 14 13.976 Close pitch specs. specs.
Cutting
T For threading edge 16 15.748
angle
Note: For diameter of less than
80mm,nominal dimensions (mm)
of effective diameter are shown

Effective Note: The above nomenclature is not applicable
cutter diameter
Body diameter for VSN6000I, MS cutter, TCB, PES1500
and TBN etc.

9–3