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Castle Nuts

SKU: SL07 Categories: ,

Castle nuts are often used with a bolt or threaded rod that has a predrilled hole, where a cotter pin can be used to secure the fixing and prevent movement.

Also known as castellated nuts, these are ideal for use in applications where vibration may undo the fixing.

They can also be referred to as slotted nuts, however, castle nuts are actually different fasteners altogether. Castle nuts look more like a hex nut with protruding triangular portions, whereas the slotted nut looks as though a hex nut has been cut with the slots and corners forming part of the protrusion.

slotted-nut-din-935
This is a slotted nut.

Castle nuts are generally manufactured in steel or stainless steel, with other materials also available.

They are also available in a range of sizes, with specials available to order, and thin versions also available.

If you require more information, or would like to further your enquiry by sending us your requirements, please contact us.

Thread Grade 4 Steel
Grade 8 Steel Grade 10 Steel
A2 Stainless Steel A4 Stainless Steel
M4 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M5 Placeholder image ON REQUEST ON REQUEST Placeholder image Placeholder image
M6 Placeholder image ON REQUEST ON REQUEST Placeholder image Placeholder image
M7 ON REQUEST ON REQUEST ON REQUEST Placeholder image Placeholder image
M8 Placeholder image ON REQUEST ON REQUEST Placeholder image Placeholder image
M10 Placeholder image ON REQUEST ON REQUEST Placeholder image Placeholder image
M12 Placeholder image Placeholder image ON REQUEST Placeholder image Placeholder image
M14 Placeholder image ON REQUEST ON REQUEST Placeholder image Placeholder image
M16 Placeholder image Placeholder image ON REQUEST Placeholder image Placeholder image
M18 Placeholder image ON REQUEST ON REQUEST Placeholder image Placeholder image
M20 Placeholder image Placeholder image ON REQUEST Placeholder image Placeholder image
M22 Placeholder image ON REQUEST ON REQUEST Placeholder image Placeholder image
M24 Placeholder image Placeholder image ON REQUEST Placeholder image Placeholder image
M27 Placeholder image ON REQUEST ON REQUEST Placeholder image Placeholder image
M30 Placeholder image ON REQUEST ON REQUEST Placeholder image Placeholder image
M33 Placeholder image ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M36 Placeholder image ON REQUEST ON REQUEST Placeholder image ON REQUEST
M39 Placeholder image ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M42 Placeholder image ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M45 Placeholder image ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M48 Placeholder image ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M52 Placeholder image ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M56 Placeholder image ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M58 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M60 Placeholder image ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M64 Placeholder image ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M68 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M72 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M76 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M80 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M85 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M90 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M95 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST
M100 ON REQUEST ON REQUEST ON REQUEST ON REQUEST ON REQUEST

Placeholder image = Available

Castle nut diagram image

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  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