INTERNAL BORING BARS DESIGNATION GUIDE
| | 1. | 2. | 3. | - | 4. | 5. | 6. | 7. | 8. | 9. |
|---|
| Designation |
Tool type |
Shank diameter |
Tool length |
|
Clamping system |
Insert shape |
Tool style |
Insert's clearance angle |
Cutting direction |
Cutting edge length |
|---|
| Example |
S |
20 |
Q |
- |
M |
C |
L |
N |
R |
12 |
|---|
1. Tool type
| Symbol |
S |
|---|
| Material |
Solid steel shank |
|---|
2. Shank diameter
3. Tool length
| Symbol |
H |
K |
M |
N |
Q |
R |
S |
T |
U |
V |
|---|
| Length [mm] |
100 |
125 |
150 |
160 |
180 |
200 |
250 |
300 |
350 |
400 |
|---|
4. Clamping system
5. Insert shape
6. Tool style
7. Insert's clearance angle
| Symbol |
N |
B |
C |
P |
|---|
| Clearance angle |
0° |
5° |
7° |
11° |
|---|
8. Cutting direction
9. Cutting edge length
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