1. What is this?
These 304 stainless steel coupling nuts are industrial-grade threaded connectors designed to securely join threaded rods, bolts, or studs in high-stress applications. Featuring a thickened walls, they provide superior load distribution for machinery assembly, garage workbenches, and structural works. Made from corrosion-resistant 304 stainless steel, these nuts withstand harsh environments while maintaining precision threading.

2. What will i get?
Round Coupling Nuts
Threaded Size: M8x1.25mm;
Total Size: 12x12mm/0.47x0.47 Inch(ODxH);
Color: Silver;
Material: 304 Stainless Steel;
Package Include: 4Pcs x Hardware Nuts.

3. Are there any advantages of the product?
1. Industrial Strength: 304 stainless steel and polished surface offers tensile strength and resists rust, chemicals, and extreme temperatures.
2. Extended Design: longer than standard coupling nuts for deeper thread engagement, preventing rod slippage under vibration.
3. Universal Compatibility: Works with threaded rod – Great for scaffolding, automotive repairs, or furniture reinforcement.

4. How to use it?
Align Threads: Match the nut’s internal threads to the rod/stud.
Hand-Start: Screw the coupling nut onto one rod end until finger-tight.
Add Second Rod: Insert the opposing rod and rotate clockwise to engage threads.
Final Tighten: Use a wrench (or adjustable wrench) to secure.

5. What should I notice?
Avoid Cross-Threading: Ensure rods are perfectly aligned before tightening.
Material Compatibility: Pair only with stainless steel or coated carbon steel rods to prevent corrosion.
Storage: Keep in a dry toolbox – moisture may cause temporary thread binding (not rust).