asme-b18-2-4-1m-metric-hex-nuts-style-1

Dimensions of ASME B18.2.4.1M Metric Hex Nuts Style 1

Nominal Nut Diameter and Thread PitchWidth Across Flats, SWidth Across Corners, EThickness, M,Bearing Face Diameter, Dw, MinWasher Face Thickness
MaxMinMaxMinMaxMinMaxMin
M1.6 x 0.353.203.023.703.411.301.052.3
M2 x 0.44.003.824.624.321.601.353.1
M2.5 x 0.455.004.825.775.452.001.754.1
M3 x 0.55.505.326.356.012.402.154.6
M3.5 x 0.66.005.826.936.582.802.555.1
M4 x 0.77.006.788.087.663.202.906.0
M5 x 0.88.007.789.248.794.704.407.0
M6 x 110.009.7811.5511.055.204.908.9
M8 x 1.2513.0012.7315.0114.386.806.4411.6
M10 x 1.515.0014.7317.3216.649.108.7013.60.60.3
M10 x 1.516.0015.7318.4817.778.408.0414.6
M12 x 1.7518.0017.7320.7820.0310.8010.3716.6
M14 x 221.0020.6724.2523.3612.8012.1019.4
M16 x 224.0023.6727.7126.7514.8014.1022.4
M20 x 2.530.0029.1634.6432.9518.0016.9027.90.80.4
M24 x 336.0035.0041.5739.5521.5020.2032.50.80.4
M30 x 3.546.0045.0053.1250.8525.6024.3042.50.80.4
M36 x 455.0053.8063.5160.7931.0029.4050.80.80.4
  • a This size with width across flats of 15mm is not standard. Unless specifically ordered, M10 hex nuts with 16mm width across flats will be furnished.
  • All dimensions are in millimeters.