Hexagon Socket Screw Keys
GB 5356 - 1985 内六角扳手
See all versions and complete specifications: Hexagon Socket Screw Keys — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 5356 |
| DIN | DIN ISO 2936 |
| ISO | ISO 2936 |
| UNI | UNI 6753 |
| ANSI | ANSI/ASME B 18.3.2M |
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 5 | 30 | 80 | 28 | 4.95 | 5.67 | ≥52 | 24 | 5.58 | ≥50 |
| 4 | 8 | 120 | 100 | 36 | 7.94 | 9.09 | ≥50 | 95 | 8.97 | ≥45 |
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| 5 | 12 | 370 | 125 | 45 | 11.89 | 13.65 | ≥48 | 305 | 13.44 | ≥45 |
| 2.5 | 3 | 6.6 | 63 | 20 | 2.96 | 3.39 | ≥52 | 5.2 | 3.31 | ≥50 |
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