9/16"-18 x 3" Zinc Plated Grade 8 Steel Fine Thread Hex Cap Screws
These 9/16-18 x 3 Grade 8 Fine Hex Cap Screws from Midwest are crafted from high-strength Grade 8 steel, ensuring reliable durability and long-lasting performance in demanding industrial and construction applications. Featuring a yellow zinc finish, these bolts offer excellent corrosion resistance, making them suitable for use in environments where protection against rust is essential. Designed with a hex head and integrated washer, these screws allow for easy installation and removal using standard wrenches or sockets while providing improved holding power. The precise fine threading enhances smooth engagement with nuts, maximizing holding strength and resistance to loosening from vibration. Ideal for heavy machinery, automotive, and structural projects, these fine thread bolts deliver superior tension and shear strength compared to coarse thread alternatives. Whether you’re securing critical components or performing maintenance in manufacturing or construction, these Grade 8 fine hex cap screws provide dependable fastening performance with clear head stamping for easy grade identification even after installation. Midwest’s quality ensures your connections remain firm and secure under stress.
Features
- 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
- Manufactured from Grade 8 steel for reliable strength and long‑lasting performance in demanding applications.
- Fine thread bolts provide more strength in tension and shear and resist loosening from vibration better than coarse thread bolts
- Head stamping provides easy class/grade identification even after installation
Specifications
- Tariff Code: 7318.15.8066
- Nominal Size: 9/16 in.-18 x 3 in.
- Country of Origin: China
- Finish: Yellow Zinc
- Thread Size: 18
- Drive Size: 13/16" Wrench/Socket
- Class: MR
- Material: Steel
- Subclass: CP
- Product Line: GF
- Retail Selling Unit Piece Count: 5
- Length: 3"
- Scale: Standard
- Thread Type: Fine
- Diameter: 9/16"
- Drive Type: Hex