5/16-18 x 3-1/2 Grade 8 Coarse Hex Cap Screws
Product Attributes:- Finish: Blue Zinc
- Material: Steel
- Brand: Midwest
- Scale: Standard
- Length: 3-1/2"
- Diameter: 5/16"
- Drive Size: 1/2" Wrench/Socket
- Drive Type: Hex
- Thread Type: Coarse
- Package Type: 5lb Box
Product Description:
These 5/16-18 x 3-1/2 Grade 8 Coarse Hex Cap Screws are manufactured from high-strength Grade 8 steel, ensuring exceptional durability and reliable performance in demanding applications. Featuring a blue zinc finish, they offer moderate corrosion resistance, making them suitable for a variety of environments. The hex head with integrated washer design allows for easy installation and removal using standard wrenches or sockets, while the precise threading ensures smooth engagement with nuts for maximum holding power.
Ideal for use in automotive, construction, and industrial settings, these bolts provide secure fastening where strength and longevity are critical. The head stamping enables easy class and grade identification even after installation, helping professionals quickly verify specifications on the job. Whether you’re assembling machinery or securing structural components, these hex cap screws deliver consistent performance you can trust.
Features:
- Manufactured from Grade 8 steel for reliable strength and long‑lasting performance in demanding applications.
- Blue Zinc finish provides moderate corrosion resistance
- Head stamping provides easy class/grade identification even after installation
- Hex head with integrated washer allows for easy installation and removal with standard wrenches or sockets and improved holding power
- Precise threading provides smooth engagement with nuts to provide maximum holding power, ensuring components remain firmly connected under stress
