High Strength Plain Washers for Steel Structural
GB /T 1230 - 2006 钢结构用高强度垫圈
See all versions and complete specifications: High Strength Plain Washers for Steel Structural — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 1230 |
| ISO | ISO 7416 |
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 | 17 | 23.4 | 4 | 3.5 | 17.43 | 31.4 | 19.23 | 20.03 | 33 | 4.8 |
| 16 | 23 | 43.34 | 5 | 4.5 | 23.52 | 40.4 | 26.32 | 27.12 | 42 | 5.8 |
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.
| 20 | 28 | 66.52 | 5 | 4.5 | 28.52 | 50.1 | 32.84 | 33.64 | 52 | 5.8 |
| (22) | 31 | 75.42 | 5 | 4.5 | 31.62 | 54.1 | 35.84 | 36.64 | 56 | 5.8 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.