Castle Nuts Steel Zinc Plated 3/4-16 are high-quality locking nuts crafted for secure, vibration-resistant fastening in automotive, industrial, and general hardware applications. The steel construction paired with a durable zinc plating delivers dependable performance in challenging environments.

• Material: Steel
• Finish: Zinc plating (corrosion resistant)
• Thread size: 3/4-16
• Type: Castle nut (slotted nut) designed to be used with a cotter pin
• Locking mechanism: Works with a cotter pin to prevent loosening under vibration
• Applications: Automotive, machinery, equipment, construction, and agricultural hardware

These castle nuts fit standard 3/4-16 fasteners and provide a secure, lockable solution for critical assemblies. For best results, align the nut slots with a cotter pin to lock the fastener in place and ensure reliable performance in demanding environments.