A slotted nut has slots cut into one end of the nut.
When it is used in an application, a bolt or threaded bar generally has a pre-drilled hole so that when the slotted nut is threaded on and torqued to the required position, it can be then secured using a cotter pin or write to prevent rotation.
Slotted nuts are used in applications where vibration or motion might undo the locknut.
Both a castle nut and slotted nut look similar, and can often be used interchangeably because they have almost identical dimensions. However, they are different in that the protrusions on a slotted nut are from the base of the nut and include the corners, whereas a castle nut looks like a standard nut with triangular portions protruding, but not including the corners of the hex.
This is a castle nut
Slotted nuts are generally manufactured as standard from steel grade 4, 8 and 10, and A2 and A4 stainless steel.
A range of sizes, thread styles and materials are available from stock, with specials available to order.
Minimum order quantities may apply.
To further your enquiry, please send us your requirements.
TECHNICAL INFORMATION | |||||
D1 | S | 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 |
M7 | Â 11 | 12.12 | 8 | 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 |
M58 | 90 | 100.72 | 63 | 48 | 11 |
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 | 14 |
M100 | 145 | 162.72 | 100 | 80 | 14 |