10Pc Galvanised Extended Hexagonal Joint Nut Industrial-Grade Connecting M3-M30 Heavy-Duty Equipment Threaded Rod Connector Rust-Proof Fastening Accessories(M4(D)*5(L)*7(s))

10Pc Galvanised Extended Hexagonal Joint Nut Industrial-Grade Connecting M3-M30 Heavy-Duty Equipment Threaded Rod Connector Rust-Proof Fastening Accessories(M4(D)*5(L)*7(s))

• 1. Galvanised rust-proof material: High-quality carbon steel with a galvanised coating, passed a 72-hour salt spray test, rust-resistant and wear-resistant, suitable for humid and oily environments, with a long service life.
• 2. Extended hexagonal design: Extended cylindrical structure provides a deeper thread engagement surface; hexagonal shape facilitates wrench installation, prevents slipping, and supports high torque applications.
• 3. Full range of industrial compatibility: Includes M3/M4/M5/M6 and larger M30 sizes, suitable for threaded rods, screws, or bolts, resolving compatibility issues.
• 4. Multi-functional, ready-to-use design: Can be used as an extension or connector for threaded rods, or as a protective cap to prevent thread damage; no tools required, can be tightened by hand.
• 5. Specially designed for heavy-duty equipment applications: Engineered for construction machinery, automotive chassis, warehouse shelving, agricultural equipment, and steel structures, capable of withstanding high-pressure and high-vibration environments.