Description
Hex Head Cap Screws Grade 8 steel with a zinc yellow bake finish deliver high-strength performance for demanding assemblies. This 5/16-18 UNC screw with a 4 1/2" length and partial thread (PT) is designed for heavy-duty fastening in automotive, machinery, and construction applications.
Key features
- High-strength Grade 8 steel delivers excellent load-bearing capacity and durability.
- Zinc yellow bake finish provides corrosion resistance and a rugged, recognizable coating.
- 5/16-18 UNC threads for common, rugged fastening in a variety of materials.
- Length 4 1/2 inches with partial thread (PT) for versatile clamping and alignment.
- Hex head design for easy installation with standard wrenches or sockets and reliable torque.
Specifications
- Size / Diameter: 5/16 inch
- Thread pitch: 18 threads per inch (UNC)
- Length: 4 1/2 inches
- Head style: Hex head
- Finish: Zinc Yellow Bake plating
- Thread type: Partial thread (PT)
These hex head cap screws are ideal for assemblies requiring strong, reliable fasteners that resist corrosion in challenging environments. Use with compatible nuts or threaded holes according to your project specifications. Add to cart now to secure your next build with trusted Grade 8 steel performance.
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If you’re not sure that this product is right for you, give us a call!
800-222-0324

