| Nominal Screw Diameter, D, and Thread Pitch | Body Diameter Ds, | Width Across Flats, S | Width Across Corners, E | Head Height, K | Wrenching Height, K1 | Washer Face Thick, C | Washer Face Diameter, Dw | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max | Min | Max | Min | Max | Min | Max | Min | Min | Max | Min | Min | |
| M5 x 0.8 | 5.00 | 4.82 | 8.00 | 7.78 | 9.24 | 8.79 | 3.65 | 3.35 | 2.4 | 0.5 | 0.2 | 7.0 |
| M6 x 1 | 6.00 | 5.82 | 10.00 | 9.78 | 11.55 | 11.05 | 4.15 | 3.85 | 2.8 | 0.5 | 0.2 | 8.9 |
| M8 x 1.25 | 8.00 | 7.78 | 13.00 | 12.73 | 15.01 | 14.38 | 5.50 | 5.10 | 3.7 | 0.6 | 0.3 | 11.6 |
| M10 x 1.5 | 10.00 | 9.78 | 15.00 | 14.73 | 17.32 | 16.64 | 6.63 | 6.17 | 4.5 | 0.6 | 0.3 | 13.6 |
| aM10 x 1.5 | 10.00 | 9.78 | 16.00 | 15.73 | 18.48 | 17.77 | 6.63 | 6.17 | 4.5 | 0.6 | 0.3 | 14.6 |
| M12 x 1.75 | 12.00 | 11.73 | 18.00 | 17.73 | 20.78 | 20.03 | 7.76 | 7.24 | 5.2 | 0.6 | 0.3 | 16.6 |
| M14 x 2.0 | 14.00 | 13.73 | 21.00 | 20.67 | 24.25 | 23.35 | 9.09 | 8.51 | 6.2 | 0.6 | 0.3 | 19.6 |
| M16 x 2.0 | 16.00 | 15.73 | 24.00 | 23.67 | 27.71 | 26.75 | 10.32 | 9.68 | 7.0 | 0.8 | 0.4 | 22.5 |
| M20 x 2.5 | 20.00 | 19.67 | 30.00 | 29.16 | 34.64 | 32.95 | 12.88 | 12.12 | 8.8 | 0.8 | 0.4 | 27.7 |
| M24 x 3 | 24.00 | 23.67 | 36.00 | 35.00 | 41.57 | 39.55 | 15.44 | 14.56 | 10.5 | 0.8 | 0.4 | 33.2 |
| M30 x 3.5 | 30.00 | 29.67 | 16.00 | 45.00 | 53.12 | 50.85 | 19.48 | 17.92 | 13.1 | 0.8 | 0.4 | 42.7 |
| M36 x 4 | 36.00 | 35.61 | 55.00 | 53.80 | 63.51 | 60.79 | 23.38 | 21.62 | 15.8 | 0.8 | 0.4 | 51.1 |
| M42 x 4.5 | 42.00 | 41.38 | 65.00 | 62.90 | 75.06 | 71.71 | 26.97 | 25.03 | 18.2 | 1.0 | 0.5 | 59.8 |
| M48 x 5 | 48.00 | 47.38 | 75.00 | 72.60 | 86.60 | 82.76 | 31.07 | 28.93 | 21.0 | 1.0 | 0.5 | 69.0 |
| M56 x 5.5 | 56.00 | 55.26 | 85.00 | 82.20 | 98.15 | 93.71 | 36.20 | 33.80 | 24.5 | 1.0 | 0.5 | 78.1 |
| M64 x 6 | 64.00 | 63.26 | 95.00 | 91.80 | 109.70 | 104.65 | 41.32 | 38.68 | 28.0 | 1.0 | 0.5 | 87.2 |
| M72 X 6 | 72.00 | 71.26 | 105.00 | 101.40 | 121.24 | 115.60 | 46.45 | 43.55 | 31.5 | 1.2 | 0.6 | 96.3 |
| M80 x 6 | 80.00 | 79.26 | 115.00 | 111.00 | 132.72 | 126.54 | 51.58 | 48.42 | 35.0 | 1.2 | 0.6 | 105.4 |
| M90 x 6 | 90.00 | 89.13 |
130.00 | 125.50 | 150.11 | 143.07 | 57.74 | 54.26 | 39.2 | 1.2 | 0.6 | 119.2 |
| M100 x 6 | 100.00 | 99.13 | 145.00 | 140.00 | 167.43 | 159.60 | 63.90 | 60.10 | 43.4 | 1.2 | 0.6 | 133.0 |
1.aThis size with width across flats of 15mm is not standard. Unless specifically ordered,
M10 hex cap screws with 16mm width across flats will be furnished.
2.All dimensions are in millimeters.
3.Transition Thread length X, includes the length of incomplete threads and tolerances on grip gaging
length and body length. It is intended for calculation puposes.
