Dongshuo
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| Thread specifications D |
M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | ||
| P | Pitch | Coarse teeth | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
| Fine Teeth 1 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | ||
| Fine Teeth 2 | / | / | / | -1 | -1.25 | / | / | / | ||
| c | Min | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | |
| Min | Min | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | |
| Max | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 15.1 | 17.3 | 21.6 | ||
| dc | Max | 11.8 | 14.2 | 17.9 | 21.8 | 26 | 29.9 | 34.5 | 42.8 | |
| dw | Min | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 | |
| e | Min | 8.79 | 11.05 | 14.38 | 16.64 | 20.03 | 23.36 | 26.75 | 32.95 | |
| m | Max | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | |
| Min | 4.7 | 5.7 | 7.6 | 9.6 | 11.6 | 13.3 | 15.3 | 18.9 | ||
| mw | Min | 2.2 | 3.1 | 4.5 | 5.5 | 6.7 | 7.8 | 9 | 11.1 | |
| s | Maximum = nominal | 8 | 10 | 13 | 15 | 18 | 21 | 24 | 30 | |
| Min | 7.78 | 9.78 | 12.73 | 14.73 | 17.73 | 20.67 | 23.67 | 29.67 | ||
| r | Max | 0.3 | 0.36 | 0.48 | 0.6 | 0.72 | 0.88 | 0.96 | 1.2 | |
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1. Material: a) Steel, strength grade (material): 8, 10, 12 — DIN ISO 898-2, DIN 267-23 b) Stainless steel, strength grade (material): A2-70 — DIN 267-11 c) Other material or grade chosen by the manufacturer |
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Flange nuts are integrated with washers and nuts. Their wide flange design increases the contact area with the workpiece surface, providing better support and protecting the connecting components.
The anti-slip teeth and serrated protrusions under the flange nut evenly distribute the pressure, creating a locking effect to prevent loosening and improve sealing.
Good flange nuts can to some extent reduce the vibration and noise generated by equipment operation, thereby improving the stability and operational efficiency of the equipment.
