All measurements in millimeters (mm)

Metric DIN 935 Hexagon Slotted Castle Nuts are hex nuts where slots are cut into one side of the nut (DIN 935 up to 12mm dia) or through the crown (> 12mm dia). These slots are designed to offer a locking feature where a split pin/cotter pin (DIN 94), R clip or safety wire can aligned through the slots and guided through a hole drilled in the shank of the mated bolt.

d1 s max. e m max. w max. n min.
M4 7 7.74 5 3.2 1.2
M5 8 8.87 6 4 1.4
M6 10 11.05 7.5 5 2
M8 13 14.38 9.5 6.5 2.5
M10 17 18.9 12 8 2.8
M12 19 21.1 15 10 3.5
M14 22 24.49 16 11 3.5
M16 24 26.75 19 13 4.5
M18 27 29.56 21 15 4.5
M20 30 32.95 22 16 4.5
M22 32 35.03 26 18 5.5
M24 36 39.55 27 19 5.5
M27 41 45.2 30 22 5.5
M30 46 50.85 33 24 7
M33 50 55.37 35 26 7
M36 55 60.79 38 29 7
M39 60 66.44 40 31 7
M42 65 71.3 46 34 9
M45 70 78.26 48 36 9
M48 75 82.6 50 38 9
M52 80 88.25 54 42 9
M56 85 95.07 57 45 9
M60 90 100.72 63 48 11
M64 95 106.37 66 51 11
M68 100 112.02 69 54 11
M72 105 117.67 73 58 11
M76 110 123.32 76 61 11
M80 115 128.97 79 64 11
M85 120 134.62 88 68 14
M90 130 145.77 92 72 14
M95 135 151.42 96 76
M100 145 162.72 100 80 14

Disclaimer

Dimensional data and technical information was obtained from publicly available sources and not acquired through standards agencies. It has been completed and compiled for reference purposes only; where discrepancies are found they are subject to change without notice. KAF makes no warranties or representations regarding the accuracy and validity of the compiled information and data. Contact the relevant standards authorities for accurate and detailed information.