UNI 5721 Hexagon domed cap nuts

Equivalent Standards

UNI 5721

Dimensions for UNI 5721 Hexagon domed cap nuts

thread p da dk dw e min x max g2 max h m Mw r s t w weight
kg/1000pcs
Series 1 Series 2 Series 3 Series 1 min max max min Product Grade A Product Grade B Series 1 Series 2 Series 3 Series 1 Series 2 Series 3 max grade A grade B max min min. approx max min Grade A min Grade B t min t max w min
M4 - - 0.7 4 4.6 6.5 5.9 7.66 7.5 1.4 - - - - - 8 7.64 7.42 3.2 2.9 2.32 3.25 7 6.78 6.64 5.26 5.74 2 -
M5 - - 0.8 5 5.75 7.5 6.9 8.79 8.63 1.6 - - - - - 10 9.64 9.42 4 3.7 2.96 3.75 8 7.78 7.64 7.21 7.79 2 -
M6 - - 1 6 6.75 9.5 8.9 11.05 10.89 2 - - - - - 12 11.57 11.3 5 4.7 3.76 4.75 10 9.78 9.64 7.71 8.29 2 4.66
M8 M8x1 - 1.25 8 8.75 12.5 11.6 14.38 14.2 2.5 2 - - - - 15 14.57 14.3 6.5 6.14 4.91 6.25 13 12.73 12.57 10.65 11.35 2 11
M10 M10x1 M10x1.25 1.5 10 10.8 15 14.6 17.77 17.59 3 2 2.5 - - - 18 17.57 17.3 88 7.64 6.11 7.5 16 15.73 15.57 12.65 13.35 2 20.1
M12 M12x1.5 M12x1.25 1.75 12 13 17 16.6 20.03 19.85 - - - 6.4 5.6 4.9 22 21.48 21.16 10 9.64 7.71 8.5 18 17.73 17.57 15.65 16.35 3 28.3
M14 M14x1.5 - 2 14 15.1 20 19.6 23.35 22.78 - - - 7.3 5.6 - 25 24.48 24.16 11 10.3 8.24 10 21 20.67 20.16 17.65 18.35 4 -
M16 M16x1.5 - 2 16 17.3 23 22.5 26.75 26.17 - - - 7.3 5.6 - 28 27.48 27.16 13 12.3 9.84 11.5 24 23.67 23.16 20.58 21.42 4 54.3
M18 M18x1.5 M18x2 2.5 18 19.5 26 24.9 30.14 29.56 - - - 9.3 5.6 7.3 32 32.38 31 15 14.3 11.44 13 27 26.67 26.16 24.58 25.42 5 95
M20 M20x2 M20x1.5 2.5 20 21.6 28 27.7 33.53 32.95 - - - 9.3 7.3 5.6 34 33.38 33 16 14.9 11.92 14 30 29.67 29.16 25.58 26.42 5 104
M22 M22x1.5 M22x2 2.5 22 23.7 33 31.4 37.72 37.29 - - - 9.3 5.6 7.3 39 38.38 38 18 16.9 13.52 16.5 34 33.38 33 28.58 29.42 5 -
M24 M24x2 - 3 24 25.9 34 33.3 39.98 39.55 - - - 10.7 7.3 - 42 41.38 41 19 17.7 14.16 17 36 35.38 35 30.5 31.5 6 216