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Contact SupplierCastle nuts, also known as castellated nuts, have slots (notches) cut into one end. These slots are used to secure the nut with a cotter pin, preventing it from turning and loosening. They are commonly used in applications where the nut must be secured after tightening. Slots for securing with a cotter pin Prevents rotation and loosening Used in automotive and machinery applications Ideal for applications requiring precise locking Commonly used with bolts that have a drilled hole
| Specification | Description |
|---|---|
| ASTM F1554 | Specification for anchor bolts, steel, 36, 55, and 105-ksi yield strength |
| AISC 360 | Specification for structural steel buildings, including anchor bolt requirements |
| ACI 318 | Building code requirements for structural concrete, detailing anchor bolt usage |
| ISO 898-1 | Mechanical properties of fasteners made of carbon steel and alloy steel |