Standard Tolerance
Cobra Carbide invests in state-of-the-art equipment to ensure precision and consistency. Our standard cutting tools are manufactured to the tolerances below. Specials available on request.
- Cutting Diameter on Standard End Mills: +.000/-.002
- Cutting Diameter on Roughing End Mills: +.000/-.005
- Ball Nose: +.000/-.002
- Shank Diameter: -.0001/-.0004
- Radius: +.001/-.001
- Run-Out Tolerance: .0005 max shank to cutting diameter except Long Length
| SHANK DIA (h6) | CUTTING DIA (h10) | ||
|---|---|---|---|
| ≤ 3 mm | 0 / -0.006 mm | ≤ 3 mm | 0 / -0.040 mm |
| > 3 ≤ 6 mm | 0 / -0.008 mm | > 3 ≤ 6 mm | 0 / -0.048 mm |
| > 6 ≤ 10 mm | 0 / -0.009 mm | > 6 ≤ 10 mm | 0 / -0.058 mm |
| > 10 ≤ 18 mm | 0 / -0.011 mm | > 10 ≤ 18 mm | 0 / -0.070 mm |
| > 18 ≤ 30 mm | 0 / -0.013 mm | > 18 ≤ 30 mm | 0 / -0.084 mm |
| > 30 ≤ 50 mm | 0 / -0.016 mm | > 30 ≤ 50 mm | 0 / -0.100 mm |
| ≤ 0.118 inch | 0 / -0.00024 inch | ≤ 0.118 inch | 0 / -0.0016 inch |
| > 0.118 ≤ 0.2362 | 0 / -0.00031 | > 0.118 ≤ 0.2362 | 0 / -0.0019 |
| > 0.2362 ≤ 0.3937 | 0 / -0.00035 | > 0.2362 ≤ 0.3937 | 0 / -0.0023 |
| > 0.3937 ≤ 0.7087 | 0 / -0.00043 | > 0.3937 ≤ 0.7087 | 0 / -0.0028 |
| > 0.7087 ≤ 1.1811 | 0 / -0.00051 | > 0.7087 ≤ 1.1811 | 0 / -0.00331 |
| > 1.1811 ≤ 1.9865 | 0 / -0.00063 | > 1.1811 ≤ 1.9865 | 0 / -0.00393 |
| SHANK DIA (h6) | CUTTING DIA (h7) | ||
|---|---|---|---|
| ≤ 3 mm | 0 / -0.006 mm | ≤ 3 mm | 0 / -0.010 mm |
| > 3 ≤ 6 mm | 0 / -0.008 mm | > 3 ≤ 6 mm | 0 / -0.012 mm |
| > 6 ≤ 10 mm | 0 / -0.009 mm | > 6 ≤ 10 mm | 0 / -0.015 mm |
| > 10 ≤ 18 mm | 0 / -0.011 mm | > 10 ≤ 18 mm | 0 / -0.018 mm |
| > 18 ≤ 30 mm | 0 / -0.013 mm | > 18 ≤ 30 mm | 0 / -0.021 mm |
| > 30 ≤ 50 mm | 0 / -0.016 mm | > 30 ≤ 50 mm | 0 / -0.025 mm |
| ≤ 0.118 inch | 0 / -0.00024 inch | ≤ 0.118 inch | 0 / -0.00039 inch |
| > 0.118 ≤ 0.2362 | 0 / -0.00031 | > 0.118 ≤ 0.2362 | 0 / -0.00047 |
| > 0.2362 ≤ 0.3937 | 0 / -0.00035 | > 0.2362 ≤ 0.3937 | 0 / -0.00059 |
| > 0.3937 ≤ 0.7087 | 0 / -0.00043 | > 0.3937 ≤ 0.7087 | 0 / -0.00071 |
| > 0.7087 ≤ 1.1811 | 0 / -0.00051 | > 0.7087 ≤ 1.1811 | 0 / -0.00083 |
| > 1.1811 ≤ 1.9865 | 0 / -0.00063 | > 1.1811 ≤ 1.9865 | 0 / -0.00098 |
| SHANK DIA (h6) | CUTTING DIA (H6) | ||
|---|---|---|---|
| ≤ 3 mm | 0 / -0.006 mm | ≤ 3 mm | |
| > 3 ≤ 6 mm | 0 / -0.008 mm | > 3 ≤ 6 mm | 0 / +0.008 |
| > 6 ≤ 10 mm | 0 / -0.009 mm | > 6 ≤ 10 mm | 0 / +0.009 |
| > 10 ≤ 18 mm | 0 / -0.011 mm | > 10 ≤ 18 mm | 0 / +0.011 |
| > 18 ≤ 30 mm | 0 / -0.013 mm | > 18 ≤ 30 mm | 0 / +0.013 |
| > 30 ≤ 50 mm | 0 / -0.016 mm | > 30 ≤ 50 mm | 0 / +0.016 |
| ≤ 0.118 inch | 0 / -0.00024 inch | ≤ 0.118 inch | |
| > 0.118 ≤ 0.2362 | 0 / -0.00031 | > 0.118 ≤ 0.2362 | 0 / +0.00034 |
| > 0.2362 ≤ 0.3937 | 0 / -0.00035 | > 0.2362 ≤ 0.3937 | 0 / +0.00035 |
| > 0.3937 ≤ 0.7087 | 0 / -0.00043 | > 0.3937 ≤ 0.7087 | 0 / +0.00043 |
| > 0.7087 ≤ 1.1811 | 0 / -0.00051 | > 0.7087 ≤ 1.1811 | 0 / +0.00051 |
| > 1.1811 ≤ 1.9865 | 0 / -0.00063 | > 1.1811 ≤ 1.9865 | 0 / +0.00063 |