[400 BULK] Hex Head Cap Screws Grade 8 Steel Plain 3/8-16 x 2-1/2

Engineered for strength and reliability, these Hex Head Cap Screws in Grade 8 steel with a plain finish deliver high-load performance for heavy-duty assemblies. Sized 3/8-16 x 2-1/2, they pair with standard nuts and washers to secure a wide range of machinery, automotive components, and construction projects.

Key Features

• High-strength Grade 8 steel hex head cap screws for demanding applications
• Plain, non-plated finish for clean, dry environments
• Thread size: 3/8-16 with a length of 2-1/2"
• Coarse thread (16 TPI) for quicker assembly and robust clamping
• Compatible with standard 3/8" hex nuts and washers

Applications

Ideal for heavy machinery, equipment assemblies, automotive components, and construction projects where high strength fasteners are required. The plain finish keeps the bolt options simple in indoor or protected environments.

How to Use

• Combine with the matching nut and washer for secure fastening
• Apply appropriate torque per material and grade guidelines; consult torque charts or a hardware specialist for precise values
• Inspect threads and mating surfaces to ensure clean engagement before tightening

Note: The plain finish provides no corrosion protection. For outdoor or high-humidity applications, consider plating or coating options or specialist fasteners designed for corrosion resistance.