Cup Head Nib Bolts with Large Head
GB /T 15 - 1988 大半圆头带榫螺栓
See all versions and complete specifications: Cup Head Nib Bolts with Large Head — Full Specification Page
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M6 | 1.25 | 3.2 | 17.3 | 4.3 | 22 | 28 | 4.48 | 3.60 | 19.1 | 3.5 |
| M8 | 1.75 | 4.2 | 27.16 | 6.7 | 30 | 36 | 6.48 | 5.60 | 29.3 | 5.5 |
| M10 | 2 | 5 | 34 | 8.8 | 38 | 44 | 8.90 | 7.55 | 36.6 | 7.2 |
| M12 | 3 | 7.5 | 50.8 | 12 | 54 | 60 | 13.10 | 11.45 |
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.
| 53.9 |
| 10 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.