5/16-18 x 4-1/2 Grade 8 Coarse Hex Cap Screws

Brand: Midwest

SKU: 06300

Product Attributes:
  • Finish: Blue Zinc
  • Material: Steel
  • Brand: Midwest
  • Scale: Standard
  • Length: 4-1/2"
  • 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 4-1/2 Grade 8 Coarse Hex Cap Screws are manufactured from high-strength Grade 8 steel, ensuring reliable performance and durability 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 an integrated washer design allows for easy installation and removal using standard wrenches or sockets, while providing improved holding power.

Ideal for heavy-duty fastening needs in construction, machinery, and automotive industries, these bolts deliver precise threading for smooth engagement with nuts, ensuring components remain securely connected under stress. The head stamping enables quick class and grade identification even after installation, helping professionals maintain quality and safety standards on the job. These bolts combine strength, reliability, and ease of use for both industrial and commercial applications.

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