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

Brand: Midwest

SKU: 52772

Product Attributes:
  • Finish: Yellow Zinc
  • Material: Steel
  • Brand: Midwest
  • Scale: Standard
  • Length: 4"
  • Diameter: 5/16"
  • Drive Size: 1/2" Wrench/Socket
  • Drive Type: Hex
  • Thread Type: Coarse
  • Package Type: Box

Product Description:

These 5/16-18 x 4 Grade 8 Coarse Hex Cap Screws are manufactured from high-strength Grade 8 steel, delivering reliable durability and long-lasting performance in demanding industrial and mechanical applications. Featuring a yellow zinc finish, they offer moderate corrosion resistance to help maintain integrity in various environments. The hex head design includes an integrated washer for easy installation and removal with standard wrenches or sockets, while also enhancing holding power.

Designed with precise threading for smooth engagement with nuts, these screws ensure maximum holding strength to keep components securely connected under stress. The head stamping allows for quick class and grade identification even after installation, making them ideal for maintenance and inspection tasks. These bolts are well-suited for use in automotive, construction, and heavy machinery settings where strength and reliability are critical.

Features:

  • Manufactured from Grade 8 steel for reliable strength and long‑lasting performance in demanding applications.
  • 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