Hexagon Keys
ASME B 18.3 - 2003 (R2008) 内六角扳手 [Table 8]
See all versions and complete specifications: Hexagon Keys — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| - | 0.094 | 3.281 | 3.469 | 0.1035 | 0.750 | 0.0937 | 0.0927 | 2.094 | 1.906 | 0.1058 | 0.562 |
| 1/8 | 0.375 | 6.656 | 6.844 | 0.4238 | 1.469 | 0.3750 | 0.3735 | 4.344 | 4.156 | 0.4285 | 1.281 |
| 1/16 | 0.125 | 3.656 | 3.844 | 0.1390 | 0.844 | 0.1250 | 0.1235 | 2.344 | 2.156 | 0.1418 | 0.656 |
| 3/32 | 0.219 | 4.781 | 4.969 | 0.2460 |
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.
| 1.125 |
| 0.2187 |
| 0.2172 |
| 3.094 |
| 2.906 |
| 0.2490 |
| 0.938 |
| 5/64 | 0.156 | 4.031 | 4.219 | 0.1745 | 0.938 | 0.1562 | 0.1547 | 2.594 | 2.406 | 0.1774 | 0.750 |
| 7/64 | 0.312 | 5.906 | 6.094 | 0.3531 | 1.344 | 0.3125 | 0.3110 | 3.844 | 3.656 | 0.3570 | 1.156 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.