3/8"-16 x 1-1/4" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws
These 3/8-16 x 1-1/4 Grade 5 Coarse Hex Cap Screws are manufactured from high-quality Grade 5 steel, ensuring reliable strength and long-lasting performance in demanding applications. Featuring a hex head design, they allow for easy installation and removal using standard wrenches or sockets. The head stamping provides clear class and grade identification even after installation, while precise threading ensures smooth engagement and maximum holding power to keep components securely connected under stress. A zinc finish offers moderate corrosion resistance, making these bolts suitable for various environments. Ideal for use in construction, machinery assembly, automotive repair, and industrial maintenance, these Grade 5 hex cap screws deliver dependable performance where strength and durability are critical. Their coarse threading is optimized for quick assembly and strong holding in metal-to-metal fastening scenarios. As part of the Bolts family, these screws combine strength, ease of use, and corrosion protection, making them a versatile choice for both professional contractors and DIY enthusiasts seeking quality fastening solutions.
Features
- Precise threading provides smooth engagement and maximum holding power, ensuring components remain firmly connected under stress
- Manufactured from Grade 5 steel for reliable strength and long‑lasting performance in demanding applications.
- Head stamping provides easy class/grade identification even after installation
- Hex head design allows for easy installation and removal with standard wrenches or sockets
- Zinc finish provides moderate corrosion resistance
Specifications
- Nominal Size: 3/8 in.-16 x 1-1/4 in.
- Product Line: GF
- Drive Type: Hex
- Drive Size: 9/16" Wrench
- Length: 1-1/4"
- Scale: Standard
- Country of Origin: China
- Finish: Zinc
- Subclass: H5
- Class: BL
- Material: Steel
- Thread Type: Coarse
- Diameter: 3/8"
- Thread Size: 16
- Retail Selling Unit Piece Count: 100
- Tariff Code: 7318.15.8066

















































