ASME B18.2.4.6M Metric Heavy Hex Nuts
Dimensions of ASME B18.2.4.6M Metric Heavy Hex 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 | ||
| M12 x 1.75 | 21.00 | 20.16 | 24.25 | 22.78 | 12.3 | 11.9 | 19.2 | 0.8 | 0.4 |
| M14 x 2 | 24.00 | 23.16 | 27.71 | 26.17 | 14.3 | 13.6 | 22.0 | 0.8 | 0.4 |
| M16 x 2 | 27.00 | 26.16 | 31.18 | 29.56 | 17.1 | 16.4 | 24.9 | 0.8 | 0.4 |
| M20 x 2.5 | 34.00 | 33.00 | 39.26 | 37.29 | 20.7 | 19.4 | 31.4 | 0.8 | 0.4 |
| M22 x 2.5 | 36.00 | 35.00 | 41.57 | 39.55 | 23.6 | 22.3 | 33.3 | 0.8 | 0.4 |
| M24 x 3 | 41.00 | 40.00 | 47.34 | 45.20 | 24.2 | 22.9 | 38.0 | 0.8 | 0.4 |
| M27 x 3 | 46.00 | 45.00 | 53.12 | 50.85 | 27.6 | 26.3 | 42.8 | 0.8 | 0.4 |
| M30 x 3.5 | 50.00 | 49.00 | 57.74 | 55.37 | 30.7 | 29.1 | 46.6 | 0.8 | 0.4 |
| M36 x 4 | 60.00 | 58.80 | 69.28 | 66.44 | 36.6 | 35.0 | 55.9 | 0.8 | 0.4 |
| M42 x 4.5 | 70.00 | 67.90 | 80.83 | 77.41 | 42.0 | 40.4 | 64.5 | 1.0 | 0.5 |
| M48 x 5 | 80.00 | 77.60 | 92.38 | 88.46 | 48.0 | 46.4 | 73.7 | 1.0 | 0.5 |
| M56 x 5.5 | 90.00 | 87.20 | 103.92 | 99.41 | 56.0 | 54.1 | 82.8 | 1.0 | 0.5 |
| M64 x 6 | 100.00 | 96.80 | 115.47 | 110.35 | 64.0 | 62.1 | 92.0 | 1.0 | 0.5 |
| M72 x 6 | 110.00 | 106.40 | 127.02 | 121.30 | 72.0 | 70.0 | 101.1 | 1.2 | 0.6 |
| M80 x 6 | 120.00 | 116.00 | 138.56 | 132.24 | 80.0 | 78.1 | 110.2 | 1.2 | 0.6 |
| M90 x 56 | 135.00 | 130.50 | 155.88 | 148.77 | 90.0 | 87.8 | 124.0 | 1.2 | 0.6 |
| M100 x 6 | 150.00 | 145.00 | 173.21 | 165.30 | 100.0 | 97.8 | 137.8 | 1.2 | 0.6 |
- 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.