1/2 in. x 4 in. Hex Bolt, Grade 5 — Model 7200258 (25 Count)
The Model 7200258 Grade 5 hex bolt is a reliable, medium‑to‑heavy‑duty fastener designed for structural, mechanical, and maintenance applications where dependable strength and added reach are required. Featuring a 1/2 in. diameter and a 4 in. length, this bolt is ideal for fastening thicker materials, stacked components, and reinforced assemblies while maintaining consistent clamping force and long‑term durability.
Manufactured from heat‑treated carbon steel, this Grade 5 hex bolt offers a proven balance of tensile strength and toughness, making it suitable for applications exposed to load, vibration, and everyday mechanical stress. Precision‑rolled threads ensure smooth installation and secure engagement, while the standard hex head allows efficient tightening using common wrenches or sockets. Packed in a practical 25‑count box, this fastener supports project‑based work, maintenance operations, and professional jobsite use.
Key Features
Grade 5 carbon steel construction delivers reliable strength for medium‑ to heavy‑duty applications
1/2 in. diameter provides solid load‑bearing and clamping capability
4 in. length ideal for thick materials and multi‑layer assemblies
Hex head design allows easy installation with standard hand or power tools
Heat‑treated for balanced strength and toughness to resist deformation and fatigue
Precision‑rolled threads ensure smooth engagement and secure fastening
Zinc‑plated finish helps resist corrosion in typical indoor and light outdoor environments
25‑count packaging supports controlled inventory and efficient project use
Specifications
Model Number: 7200258
Fastener Type: Hex bolt
Diameter: 1/2 in.
Length: 4 in.
Thread Type: Standard coarse thread
Head Style: Hex
Material: Carbon steel
Grade: 5
Finish: Zinc‑plated
Tensile Strength: Approximately 120,000 PSI
Thread Manufacturing: Rolled threads
Quantity per Package: 25 bolts
Applications
Structural wood‑to‑wood and wood‑to‑metal connections
Machinery and equipment mounting
Agricultural and fleet maintenance
Brackets, frames, and reinforced support assemblies
Industrial fabrication and general construction
Maintenance, repair, and operations (MRO) environments
Commercial and residential projects requiring extended‑length fasteners
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