Nominal Diameter (mm) | Number of helical rib | Basic circle diameter (mm) | Outline diameter (mm) | Width of helical rib (mm) | Pitch of helical rib (mm) |
4.00 | 4 | 3.85±0.05 | 4.25±0.05 | 0.90-1.30 | 24-30 |
4.80 | 4.60±0.05 | 5.10±0.05 | 1.30-1.70 | 28-36 | |
5.00 | 4.80±0.05 | 5.30±0.05 | 1.30-1.70 | 28-36 | |
6.00 | 5.80±0.05 | 6.30±0.05 | 1.60-2.00 | 30-38 | |
6.25 | 6.00±0.05 | 6.70±0.05 | 1.60-2.00 | 30-40 | |
7.00 | 6.73±0.05 | 7.46±0.10 | 1.80-2.20 | 35-45 | |
7.50 | 7.26±0.05 | 7.96±0.10 | 1.90-2.30 | 36-46 | |
8.00 | 7.75±0.05 | 8.45±0.10 | 2.00-2.40 | 40-50 | |
9.00 | 8.75±0.05 | 9.45±0.10 | 2.10-2.70 | 42-52 | |
9.50 | 9.30±0.05 | 10.10±0.10 | 2.20-2.80 | 44-53 | |
10.00 | 9.75±0.05 | 10.45±0.10 | 2.50-3.00 | 45-58 | |
11.00 | 10.76±0.05 | 11.47±0.10 | 2.60-3.10 | 50-64 | |
12.00 | 11.78±0.05 | 12.50±0.10 | 2.70-3.20 | 55-70 |