Finished Bolt Assembly Including Hex Bolt, Hex Nut, Flat Washer and Spring Washer, One-Stop Matching for Installation, No Need to Purchase Separate Accessories,

Finished bolt assembly including hex bolt, hex nut, flat washer and spring washer, one-stop matching for installation, no need to purchase separate accessories, greatly saving preparation time.

Hot-dip galvanized / electro-galvanized surface treatment, uniform zinc coating, effectively isolate air and moisture, outstanding rust and corrosion resistance, suitable for indoor and outdoor long-t

Adopts professional rolling thread process, uniform, smooth and burr-free threads. Perfect fit with matching nuts, tight engagement without slipping, stable anti-loose performance under long-time vibr

Standard hex head matches wrenches, socket spanners and electric torque tools. Even force distribution during tightening, not easy to slip, convenient and efficient construction.

Equipped with flat washer for uniform pressure distribution and spring washer for elastic locking. Effectively prevent loosening caused by vibration, impact and temperature change, improve connection

Made of high-strength carbon steel, good hardness and toughness, not easy to deform, crack or break under heavy tightening load, long service life.