Prime-Line 9059144 Hex Bolts, 5/16 in.-18 X 2-1/2 in., A307 Grade A Zinc Plated Steel (50 Pack)

Prime‑Line hex bolts provide strong, dependable fastening for a wide range of home repair, construction, and mechanical projects. Designed with a six‑sided hex head for easy tightening using standard wrenches or sockets, these bolts deliver reliable clamping strength in wood‑to‑wood, wood‑to‑metal, and metal‑to‑metal applications. Ideal for furniture assembly, appliances, automotive repairs, lawn and garden equipment, structural framing, and general household use, Prime‑Line hex bolts are intended for use with same‑size matching nuts and washers to ensure proper fit, even load distribution, and long‑lasting performance. Manufactured from quality materials for strength and durability, they install quickly and perform consistently in both indoor and outdoor environments. Trusted by DIY homeowners and professionals across the U.S., Prime‑Line hex bolts make it easy to complete projects with confidence and reliable holding power.

• Size: 5/16 inch-18 X 2-1/2 inch
• One of the most common and versatile fasteners
• Designed for use with a nut or a threaded hole of the same diameter and thread size
• Features a 6 sided head and can be fastened using a wrench or socket tool
• Nuts and washers not included