Standard 5/16-18 Axle Bolt & Lock Nut Set:Our 5/16-18 Caster bolts are 2.19in long, perfectly suitable for caster replacements.
Heavy Duty Carbon Steel Construction:Made of high-strength carbon steel for excellent durability, load capacity and long service life, not easy to bend or break under daily heavy use.
Zinc Plated Rust & Corrosion Resistance:Zinc plated surface effectively prevents rust and corrosion, suitable for long-term indoor and outdoor use in various environments.
Lock Nut Anti-Loose & Anti-Vibration:Lock nuts provide great anti-loose performance, ensuring stable and safe installation for all kinds of wheeled equipment.
8 Sets for Repair & Replacement:8 complete sets per pack, ideal for small repair, maintenance, replacement and DIY projects of casters and carts.