Cup Head Nib Bolts
GB /T 13 - 2013 圆头带榫螺栓
See all versions and complete specifications: Cup Head Nib Bolts — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M6 | 1.25 | 4.40 | 5.28 | 13.30 | 2.70 | 22 | 28 | 3.20 | 2.80 | 15.10 | 2.30 |
| M8 | 1.75 | 7.55 | 8.90 | 20.16 | 3.80 | 30 | 36 | 4.30 | 3.70 | 22.30 | 3.20 |
| M10 | 2.00 | 9.55 | 10.90 | 27.16 | 4.80 | 38 | 44 | 5.30 | 4.70 | 29.30 | 4.20 |
| M12 | 3.00 | 15.45 | 17.10 | 41.00 | 6.30 |
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
| 54 |
| 60 |
| 7.40 |
| 6.60 |
| 43.60 |
| 5.70 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.