Brass Castle Nuts
Slotted Nuts also called Castellated Nuts in Brass
- Used with a cotter pin
- Notched on one side
- Torque the nut then align with the closest hole
- Used with a bolt or axle that has a hole in it
- Used in low torque applications
A Castle nut, castellated nut, or slotted nut is normally used with a Cotter Pin to create a locking fastener assembly that cannot be loosened due to accidental vibration. It is common to see this type of nut on vehicles and machinery where vibration is frequent.
| Nut Sizes | Width Across Flats | Overall Height |
| 1/4"-20 | 0.434" REF | 0.281" REF |
| 5/16"-18 | 0.499" REF | 0.326" REF |
| 3/8"-16 | 0.562" REF | 0.410" REF |
| 1/2"-13 | 0.745" REF | 0.569" REF |
| 5/8"-11 | 0.934" REF | 0.724" REF |
| 3/4"-10 | 1.125" REF | 0.820" REF |
See Product Specifications
See Product Video
Select Package Quantity
Loading ...
Product Specifications
Color
Yellow
Color May Vary
Color and sheen may vary
Corrosion Resistant
Yes
Drive Style
External Hex
Material
Brass
Product Type
Castle Nut
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Product Video
