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Toolholder ANSI Designation Chart
What do the numbers and letters mean on your toolholder? Find out here! Helpful cross-reference chart for identifying tool holders based on ANSI.
| M |
W |
L |
N |
R |
16 |
4 |
D |
|
Insert Holding |
Insert Shape |
Toolholder Style |
Insert Relief L |
Hand |
Shank Size |
Insert IC |
Length |
|
M = clamp and lock pin |
C = 80 deg. diamond |
A = 0º side cutting, straight shank |
N = 0º |
R = right hand |
5 = 5/16 x 5/16 |
1.2 = 5/32" |
A = 4" |
|
P = lock pin only |
D = 55 deg. diamond |
B = 15º side cutting, straight shank |
A = 3º |
L = left hand |
6 = 3/8 x 3/8 |
1.5 = 3/16" |
B = 4.5" |
|
C = clamp only |
K = paralellogram |
C = 0º end cutting, straight shank |
B = 5º |
N = neutral |
8 = 1/2 x 1/2 |
1.8 = 7/32" |
C = 5" |
|
S = screw lock only |
L = rectangle |
D = 45º side cutting, straight shank |
C = 7º |
|
10 = 5/8 x 5/8 |
2 = 1/4" |
D = 6" |
|
|
R = round |
F = 0º end cutting, offset shank |
P = 11º |
|
12 = 3/4 x 3/4 |
2.5 = 5/16" |
E = 7" |
|
|
S = square |
G = 0º side cutting, offset shank |
D = 15º |
|
16 = 1 x 1 |
3 = 3/8" |
F = 8" |
|
|
T = triangle |
J = -3º side cutting, offset shank |
E = 20º |
|
85 = 1 1/4 x 1 |
4 = 1/2" |
M = 4" |
|
|
V = 35 deg. diamond |
K = 15º end cutting, offset shank |
F = 25º |
|
20 = 1 1/4 x 1 1/4 |
5 = 5/8" |
N = 4.5" |
|
|
W = trigon |
L = 5º side & end cut, offset shank |
G = 30º |
|
24 = 1 1/2 x 1 1/2 |
6 = 3/4" |
P = 5" |
|
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|
M = 40º side cutting, straight shank |
|
|
86 = 1 1/2 x 1 |
8 = 1" |
R = 6" |
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N = 27º side cutting, straight shank |
|
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32 = 2 x 2 |
10 = 1 1/4" |
S = 7" |
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R = 15º side cutting, offset shank |
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T = 8" |
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S = 45º side cutting, offset shank |
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T = 30º side cutting, offset shank |
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U = -3º end cutting, offset shank |
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V = 17.5º side cut, straight shank |
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Y = 50º side cutting,
straight shank |
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