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| Cross-sectional Dimensions | Tolerances | Standard Lengths |
|---|---|---|
| 3×3 | ±0.1 | 100–1000 |
| 4×4 | ±0.1 | 100–1000 |
| 5×5 | ±0.1 | 100–1000 |
| 6×6 | ±0.15 | 100–1000 |
| 8×8 | ±0.15 | 100–1000 |
| 10×10 | ±0.2 | 100–1000 |
| 15×15 | ±0.2 | 100–500 |
| 20×20 | ±0.25 | 100–500 |
Available cross-sectional dimensions range from 3×3 up to 20×20, covering sizes including 3×3, 4×4, 5×5, 6×6, 8×8, 10×10, 15×15, and 20×20.
Standard tolerances vary according to the cross-sectional size: ±0.1 for sizes 3×3 to 5×5, ±0.15 for 6×6 and 8×8, ±0.2 for 10×10 and 15×15, and ±0.25 for 20×20.
For cross-sectional dimensions ranging from 3×3 up to 10×10, the standard length range is 100–1000.
For larger cross-sections such as 15×15 and 20×20, standard lengths are specified in the range of 100–500.
As the cross-sectional dimensions increase from 3×3 to 20×20, the tolerance incrementally scales from ±0.1 to ±0.25 to maintain optimal manufacturing precision.
The tightest tolerance standard of ±0.1 is achieved on cross-sectional dimensions of 3×3, 4×4, and 5×5 within standard lengths of 100–1000.
