asme-b18-2-3-4m-metric-hex-flange-screws

Dimensions of Metric Hex Flange Screws

Nominal Screw Diameter, D and Thread PitchBody Diameter Ds,Width Across Flats, SWidth Across Corners, EFlange Diameter, DcBearing Circle Dia, DwFlange Edge Thickness, CHead Height, KWrenching Height, K1Fillet Radius, R
MaxMinMaxMinMaxMinMaxMinMinMaxMinMax
M5 x 0.85.004.827.006.648.087.4411.49.61.05.62.300.3
M6 x 16.005.828.007.649.248.5613.611.61.16.82.900.4
M8 x 1.258.007.7810.009.6411.5510.8017.014.91.28.53.800.5
M10 x 1.510.009.7813.0012.5715.0114.0820.818.71.59.74.300.6
M12 x 1.7512.0011.7315.0014.5717.3216.3224.722.01.811.95.400.7
M14 x 214.0013.7318.0017.5720.7819.6828.625.92.112.95.600.8
M16 x 216.0015.7321.0020.4824.2522.9432.830.12.415.16.701.0
  • All dimensions are in millimeters. Basic thread lengths, B, are the same as in table 12 of ASME B18.2.3.4M-1984. Transition thread length x, includes the length of incomplete threads and tolerances on grip gaging length and body length. It is intended for calculation purposes. For additional manufacturing and acceptance specifications, reference should be made to ASME B18.2.3.4M-1984 standard.