Description
Engineered for high-load performance, these Hex Head Cap Screws are Grade 8 steel with a plain, uncoated finish. Sized at 5/16-18 UNC by 1-3/8 in length, they deliver outstanding tensile strength for demanding applications.
- Grade 8 steel provides superior strength and toughness for critical joints.
- Plain finish means no plating; ideal for interiors or when coating is applied separately.
- Thread size: 5/16-18 UNC, coarse thread for quick assembly and easy alignment.
- Length: 1-3/8 in overall length.
- Head style: Hex head cap screw for reliable, multi-point driving with common tools.
- Strength: Approx 150 ksi (about 1030 MPa) tensile strength; suitable for high-load applications.
- Usage: Use with matching nuts or tapped holes; ideal for machinery, automotive, industrial equipment, and construction assemblies.
- Care: Not corrosion-protected; store in dry environments or apply appropriate finishes for outdoor use.
Specifications
- Thread: 5/16-18 UNC
- Diameter: 5/16 in
- Length: 1-3/8 in
- Head type: Hex Head Cap Screw
- Finish: Plain
- Material: Grade 8 steel
- Tensile strength: ~150 ksi (? 1030 MPa)
These high-strength fasteners are ideal for automotive, industrial machinery, equipment assemblies, and other demanding applications where reliability matters. Choose Hex Head Cap Screws Grade 8 Steel Plain 5/16-18 x 1-3/8 for secure, durable performance.
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