5/16"-18 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws
These 5/16-18 x 3-1/2 Grade 5 Coarse Hex Cap Screws from Midwest are crafted from Grade 5 steel, delivering reliable strength and long-lasting performance for demanding applications. Featuring a zinc finish, they offer moderate corrosion resistance, making them suitable for a variety of environments. The hex head design allows for easy installation and removal using standard wrenches or sockets, while the head stamping ensures quick grade identification even after installation. Ideal for industrial, automotive, and construction uses, these bolts provide precise threading for smooth engagement and maximum holding power, ensuring components stay securely connected under stress. Midwest’s Grade 5 Hex Cap Screws are a dependable choice for professionals and DIY enthusiasts seeking quality fastening solutions with consistent performance.
Features
- Head stamping provides easy class/grade identification even after installation
- Manufactured from Grade 5 steel for reliable strength and long‑lasting performance in demanding applications.
- Hex head design allows for easy installation and removal with standard wrenches or sockets
- Precise threading provides smooth engagement and maximum holding power, ensuring components remain firmly connected under stress
- Zinc finish provides moderate corrosion resistance
Specifications
- Class: BL
- Subclass: H5
- Retail Selling Unit Piece Count: 50
- Country of Origin: Thailand
- Diameter: 5/16"
- Drive Size: 1/2" Wrench/Socket
- Thread Type: Coarse
- Nominal Size: 5/16 in.-18 x 3-1/2 in.
- Tariff Code: 7318.15.8066
- Scale: Standard
- Finish: Zinc
- Length: 3-1/2"
- Thread Size: 18
- Drive Type: Hex
- Material: Steel
- Product Line: GF