DIN 917

DIN 917 Cap Nut, Acorn Nut, Dome Nut, Blind Nut

DIN 917 Cap Nut

Thread Pitch Diameter Across Corner Across Flat Thickness Drill Depth Radius Undercut
d p da dw e s h t w r x (max) g2   (max)
Series 1 Series 2 Series 3 min max min min nom (max) min Max Min Min Max Min Series 1 Series 2 Series 3 Series 1 Series 2 Series 3
M4 0.7 - - 4 4.60 5.90 7.66 7 6.78 5.5 5.20 4.16 4.64 1 8 1.05 - - - - -
M5 0.8 - - 5 5.75 6.90 8.79 8 7.78 7 6.64 4.96 5.44 1 10 1.2 - - - - -
M6 1 - - 6 6.75 8.90 11.05 10 9.78 9 8.64 6.71 7.29 1.5 12 1.5 - - - - -
M8 1.25 1 - 8 8.75 11.60 14.38 13 12.73 12 11.57 9.21 9.79 2 15 1.87 1.5 - - -
M10 1.5 1 1.25 10 10.80 14.60 17.77 16 15.73 14 13.57 10.65 11.35 2 20 2.25 1.5 1.87 - - -
M12 1.75 1.5 1.25 12 13.00 16.60 20.03 18 17.73 16 15.57 13.15 13.85 2 25 - - - 6.4 5.6 4.9
M14 2 1.5 - 14 15.10 19.60 23.35 21 20.67 18 17.57 14.65 15.35 2 28 - - - 7.3 5.6 -
M16 2 1.5 - 16 17.30 22.50 26.75 24 23.67 20 19.48 16.65 17.35 2 30 - - - 7.3 5.6 -
M18 2.5 1.5 2 18 19.50 24.90 29.56 27 26.16 22 21.48 18.58 19.42 2 32 - - - 9.3 5.6 7.3
M20 2.5 2 1.5 20 21.60 27.70 32.95 30 29.16 25 24.48 20.58 21.42 2.5 35 - - - 9.3 7.3 5.6
M22 2.5 1.5 2 22 23.70 31.40 37.29 34 33.00 28 27.48 21.58 22.42 3 35 - - - 9.3 5.6 7.3
M24 3 2 - 24 25.90 33.30 39.55 36 35.00 30 29.48 23.58 24.42 3 40 - - - 10.7 7.3 -
M27 3 2 - 27 29.10 38.00 45.20 41 40.00 32 31.38 25.58 26.42 3 50 10.7 7.3 -
M30 3.5 2 - 30 32.40 42.80 50.85 46 45.00 34 33.38 27.58 28.42 3 60 12.7 7.3 -
M36 4 3 - 36 38.90 51.10 60.79 55 53.80 44 43.38 35.50 36.50 4 70 14.0 10.7 -
M42 4.5 3 - 42 45.40 60.00 72.02 65 63.10 52 51.26 41.50 42.50 4 80 16.0 10.7 -
M48 5 3 - 48 51.80 69.50 82.60 75 73.10 58 57.26 47.50 48.50 4 90 18.5 10.7 -
M56 5.5 4 - 56 61.00 78.70 93.56 85 82.80 68 67.26 55.40 56.60 5 110 - - - 20.0 14.0 -
M64 6 4 - 64 69.10 88.20 104.86 95 92.80 75 74.26 61.40 62.60 5 130 21.0 14.0 -
M72 6 4 - 72 77.80 97.70 116.16 105 102.80 85 84.13 66.40 67.60 5 130 - - - 21.0 14.0 -