|
R - Round
|
|
S - Square
|
|
T - Triangle
|
|
P - Pentagon
|
|
D - Diamond 55°
|
|
C - Diamond 80°
|
|
O - Octagon
|
|
H - Hexagon
|
|
L - Rectangle
|
|
M- Diamond 86°
|
|
A - Parallelogram 85°
|
|
B - Parallelogram 82°
|
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E - Parallelogram 55°
|
|
F - Parallelogram 70°
|
|
V - Diamond 35°
|
|
|
N - 0°
|
|
A - 3°
|
|
B - 5°
|
|
C - 7°
|
|
P - 11°
|
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D - 15°
|
|
E - 20°
|
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F - 25°
|
|
G - 30°
|
|
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Cutting
|
Point
|
Thickness
|
|
A
|
± .0002
|
± .001
|
|
B
|
± .0002
|
± .005
|
|
C
|
± .0005
|
± .001
|
|
D
|
± .0005
|
± .005
|
|
E
|
± .001
|
± .001
|
|
G
|
± .001
|
± .005
|
|
**M
|
± .002 to
± 005
|
± .005
|
|
**U
|
± .005 to
±.021
|
± .005
|
**Exact tolerance to be
determined by size of insert.
|
|
A - With hole
|
|
B - With hole and one countersink
|
|
C - With hole and two countersink
|
|
F - Clamp-on type with chipbreaker
|
G - With hole and
chipbreaker
|
H - With hole, one countersink and
chipbreaker
|
J - With hole, two countersink and
chipbreaker
|
|
Size 1/4" and
over use - Number of
1/8ths in size
|
For Rectangular
and Parallelogram
use two digits;
number of 1/8ths in width and 1/4ths in length
|
|
Size 1/4" and
over use -
Number of 1/16ths in thickness |
|
|
0
|
sharp corner
|
|
1
|
1/64 radius
|
|
2
|
1/32 radius
|
|
3
|
3/64 radius
|
|
4
|
1/16 radius
|
|
6
|
3/32 radius
|
|
8
|
1/8 radius
|
|
A
|
Square insert
with 45° chamfer
|
|
|
A - Ground all over - light honed
|
|
B- Ground all over - heavy honed
|
|
C - Ground top and bottom only - light honed
|
|
D - Ground top and bottom only - heavy honed
|
|
E - Unground insert- honed
|
|
F - Unground insert - not honed
|
|
T - chamfer- cutting edge
|
|
