NA 121
DIN Standards Committee Tools and Clamping Devices
DIN 837 [Withdrawn] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| LN 29528 | 1980-11 | Aerospace; Nut bihexagonal with flange, selflocking, for temperatures up to 235 °C, for bolts and screws with nominal tensile strength up to 1800 N/mm² More |
| LN 29550 | 1980-11 | Aerospace; twelve point bolts, for temperatures up to 425 °C More |
| LN 29769 | 1980-03 | Aerospace; Bolts bi-hexagon, nominal tensile strength of 1250 N/mm², medium thread length More |
