Flange Nut (IS 7795-1975) – Code No – U 21
Features
- A flange distributes pressure where the nut meets the material surface, eliminating the need for a separate washer.
- Hex Flange Nut, Hardened and tempered steel Class 8.8 (8G) R=80/90 kg/mm2 . Finish : Burnished
Technical Details
| Code | Screw Thread | C | H | S | D | E |
|---|---|---|---|---|---|---|
| U21-1 | M8 | 13 | 12 | 3.5 | 18 | 15.0 |
| U21-2 | M10 | 17 | 15 | 4 | 22 | 19.6 |
| U21-3 | M12 | 19 | 18 | 4 | 25 | 21.9 |
| U21-4 | M16 | 24 | 24 | 5 | 31 | 27.7 |
| U21-5 | M20 | 30 | 30 | 6 | 37 | 34.6 |
| U21-6 | M24 | 36 | 36 | 6 | 45 | 41.6 |
