| ANSI
Standard Boring Bar Nomenclature
Simply click on any letter or digit in the part
description below to see a full explanation of its meaning.
Boring Bar Type
| S = Solid steel bar |
| A = Solid steel bar with coolant hole |
| B = Solid steel bar with anti-vibration device |
| D = Solid steel bar with anti-vibration device and
coolant hole |
| C = Carbide bar with fixed steel head |
| E = Carbide bar with fixed steel head and coolant hole |
| F = Carbide bar with fixed steel head and anti-vibration
device |
| G = Carbide bar with fixed steel head, anti-vibration
device, and coolant hole |
| H = Heavy metal bar |
| J = Heavy metal bar with coolant hole |
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Boring Bar Diameter
| This indicates D dimensions in 1/16". For example: |
| 08 = 8/16 = 1/2" diameter |
| 16 = 16/16 = 1" diameter |
| 24 = 24/16 = 1-1/2" diameter |
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Boring Bar Length
| F = 3.00" |
J = 4.50" |
M = 6.00" |
Q = 7.00" |
T = 12.00" |
W = 18.00" |
| G = 3.50" |
K = 5.00" |
N = 6.50" |
R = 8.00" |
U = 14.00" |
Y = 20.00" |
| H = 4.00" |
L = 5.50" |
P = 6.75" |
S = 10.00" |
V = 16.00" |
Z = special |
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Insert Holding
| M = Clamp and lock pin |
| P = Lock pin only |
| C = Clamp only |
| S = Screw lock only |
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Insert Shape
| A = 85° Parallelogram |
E = 75° Diamond |
M = 86° Diamond |
S = Square |
| B = 82° Parallelogram |
H = Hexagon |
O = Octagon |
T = Triangle |
| C = 80° Diamond |
K = 55° Parallelogram |
P = Pentagon |
V = 35° Diamond |
| D = 55° Diamond |
L = Rectangle |
R = Round |
W = Trigon |
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Boring Bar Style
| F = 0° end cutting |
S = 45° end cutting |
| J = -3° side cutting |
U = -3° end cutting |
| K = 15° end cutting |
W = -30° end cutting |
| L = -5° side & end cutting |
Y = 5° end cutting |
| Q = -17.5° end cutting |
|
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Insert Relief Angle
| N = 0° |
B = 5° |
P = 11° |
E = 20° |
G = 30° |
| A = 3° |
C = 7° |
D = 15° |
F = 25° |
O = other |
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Hand
| R = Right hand |
| L = Left hand |
| N = Neutral hand |
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Insert Size
| For equilateral inserts, this indicates the inscribed circle
(I.C.) in 1/8". For example: |
| 6 = 6/8 = 3/4" I.C. |
| 4 = 4/8 = 1/2" I.C. |
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Contact ANC Customer Service and Support at (800) 331-7585 for
help in selecting the most appropriate product for your application,
or click here to request literature
for more specific product information.
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