ASME B18.2.4.5M Metric Hex Jam Nuts
Dimensions of ASME B18.2.4.5M Metric Hex Jam Nuts
| Nominal Nut Diameter and Thread Pitch | Width Across Flats, S | Width Across Corners, E | Thickness M | Bearing Face Diameter, Dw, Min | Washer Face Thickness, C | ||||
|---|---|---|---|---|---|---|---|---|---|
| Max | Min | Max | Min | Max | Min | Max | Min | ||
| M5 x 0.8 | 8.00 | 7.78 | 9.24 | 8.79 | 2.70 | 2.45 | 6.9 | -- | -- |
| M6 x 1 | 10.00 | 9.78 | 11.55 | 11.05 | 3.20 | 2.90 | 8.9 | -- | -- |
| M8 x 1.25 | 13.00 | 12.73 | 15.01 | 14.38 | 4.00 | 3.70 | 11.6 | -- | -- |
| M10 x 1.5 | 15.00 | 14.73 | 17.32 | 16.64 | 5.00 | 4.70 | 13.6 | -- | -- |
| M10 x 1.5 | 16.00 | 15.73 | 18.48 | 17.77 | 5.00 | 4.70 | 14.6 | -- | -- |
| M12 x 1.75 | 18.00 | 17.73 | 20.78 | 20.03 | 6.00 | 5.70 | 16.6 | -- | -- |
| M14 x 2.0 | 21.00 | 20.67 | 24.25 | 23.35 | 7.00 | 6.42 | 19.6 | -- | -- |
| M16 x 2.0 | 24.00 | 23.67 | 27.71 | 26.75 | 8.00 | 7.42 | 22.5 | -- | -- |
| M20 x 2.5 | 30.00 | 29.16 | 34.64 | 32.95 | 10.00 | 9.10 | 27.7 | 0.8 | 0.4 |
| M24 x 3 | 36.00 | 35.00 | 41.57 | 39.55 | 12.00 | 10.90 | 33.2 | 0.8 | 0.4 |
| M30 x 3.5 | 46.00 | 45.00 | 53.12 | 50.85 | 15.00 | 13.90 | 42.7 | 0.8 | 0.4 |
| M36 x 4 | 55.00 | 53.80 | 63.51 | 60.79 | 18.00 | 16.90 | 51.1 | 0.8 | 0.4 |
- This size with width across flat of 15mm is not standard. Unless specifically ordered, M10 hex jam nuts with 16 mm width across flats will be furnished
- All dimensions are in millimeters.