4 Pack Reducer Coupling Nuts 5/8-11 to 1/2-13 Thread, 1 1/4 Inch Long, Zinc Plated for Durability, 13/16 Inch Across Flats, Silver Finish, Perfect for DIYers and Auto Enthusiasts, Heavy Duty Projects

Reducer coupling nuts: 5/8-11 to 1/2-13, 1-1/4 inch long ✔️ Zinc plated, 1-1/4 inch long, 13/16 inch across flats, 4-pack

These reducer coupling nuts convert from 5/8-11 to 1/2-13 threads, enabling quick joins in automotive, hardware, and DIY projects. The zinc plating provides corrosion resistance in shop, under-hood, and outdoor setups.

✅ Pack size: 4 nuts
✅ Threads: 5/8-11 to 1/2-13
✅ Length: 1 1/4 inch (31.75 mm)
✅ Across flats: 13/16 inch (20.64 mm)
✅ Finish: zinc plated for durability

💡 What is a reducer coupling nut used for in automotive and DIY threaded assemblies? This handy piece lets you adapt one thread size to another in tight spaces.
- Adapts 5/8-11 to 1/2-13 for compact setups
- Keeps alignment and reduces need for extra adapters
- Zinc plated for corrosion resistance in shop and field
- Sold as a 4-pack for consistent replacements

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