3/8 in. x 1‑1/2 in. Grade 5 Hex Bolt – 100 Count (Model 7200129)
The 3/8 in. x 1‑1/2 in. Grade 5 Hex Bolt is a high‑strength fastening solution engineered for demanding structural, mechanical, and industrial applications. Manufactured from heat‑treated medium‑carbon steel, this bolt offers significantly higher tensile and yield strength compared to standard Grade 2 fasteners, making it ideal for automotive repairs, equipment assembly, agricultural machinery, fabrication work, and heavy‑duty construction tasks.
A corrosion‑resistant zinc‑plated finish provides reliable protection against rust and wear, ensuring lasting performance in both indoor and moderately exposed environments. The hex‑head design supports secure wrench or socket engagement, enabling strong torque application and ensuring stable fastening in high‑vibration or high‑load conditions. Coarse 3/8‑16 machine threading offers excellent holding power, smoother installation, and compatibility with matching Grade 5 nuts and washers.
Packaged in a 100‑count box, this fastener is an excellent fit for professional shops, maintenance teams, jobsite inventory, mechanical assembly operations, and industrial storage.
Key Features
Constructed from heat‑treated Grade 5 steel for enhanced tensile and yield strength
Zinc‑plated coating provides solid corrosion resistance and durability
Hex‑head design allows for strong torque application with standard hand or power tools
Coarse 3/8‑16 threading offers dependable grip and vibration resistance
Partially threaded shank increases shear strength for structural load‑bearing applications
Suitable for metal‑to‑metal, wood‑to‑metal, and machinery fastening
Bulk 100‑count package ideal for contractors, industrial use, and shop inventory
Specifications
Model: 7200129
Fastener Type: Hex Bolt / Hex Cap Screw
Diameter: 3/8 inch
Length: 1‑1/2 inches
Thread Type: Coarse (3/8‑16 UNC)
Thread Style: Partial thread
Material: Heat‑treated medium‑carbon steel
Strength Rating: Grade 5
Finish: Zinc plated
Head Style: Hex
Quantity: 100 bolts
Typical Applications
Automotive and truck repair, including structural and mounting components
Industrial machinery assembly and equipment maintenance
Construction and fabrication requiring high‑strength, high‑torque fasteners
Agricultural and mechanical equipment subject to vibration and heavy use
Metal‑to‑metal and wood‑to‑metal fastening in load‑bearing joints
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