Aerospace - Bolts, Normal Spline Head, Normal or Pitch Diameter Shank, Long Length MJ Threads, Metallic Material, Coated or Uncoated, Strength Classes Less Than or Equal to 1100 MPa
ISO 9254 - 1993 12角（十二键）法兰面螺钉 - 长MJ螺纹 - 强度等级小于等于1100MPa
| Standard Body | Standard Number |
|---|---|
| ISO | ISO 9254 |
| ANSI | ASME/ANSI B 18.2.7.1M |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MJ4 | 050 | 3.9 | 3.4 | 4.48 | 4.61 |
| 0.8 |
| 5 |
| 3.7 |
| 3.2 |
| 4.88 |
| 4.35 |
| MJ5 | 070 | 5.7 | 5.2 | 6.35 | 6.48 | 1 | 7 | 5.4 | 4.9 | 6.85 | 6.22 |
| MJ6 | 100 | 8.4 | 7.9 | 9.19 | 9.32 | 1.25 | 10 | 7.2 | 6.7 | 9.85 | 9.06 |
| MJ7 | 120 | 10.3 | 9.8 | 11.19 | 11.32 | 1.25 | 12 | 8.5 | 8 | 11.82 | 11.06 |
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