5/8"-18 Zinc Grade 5 Steel Fine Thread Hex Bolt Cap Screws
These high-quality hex cap screws are engineered for durability and strength, making them an ideal choice for automotive, construction, and industrial projects. Manufactured from medium carbon steel and tempered for increased strength, these Grade 5 fasteners provide a higher level of tensile strength than standard Grade 2 bolts, ensuring reliable performance in demanding applications.
Each screw features a hexagonal head designed to be driven efficiently with a standard 15/16" wrench, allowing for maximum torque application. The zinc-plated finish offers a protective layer that resists corrosion and rust, extending the life of the hardware in various environments. With a fine thread pitch (18 TPI), these cap screws offer superior vibration resistance and finer adjustments compared to coarse-threaded alternatives.
Technical Specifications:
- Diameter: 5/8"
- Material: Steel
- Finish: Zinc Plated
- Hardness: Grade 5
- Head Style: Hex (15/16" Wrench)
- Thread Size: 18 (Fine)
- Type: Cap Screw
Designed for use in tapped holes or with compatible nuts, these hex cap screws are essential for projects requiring a secure, heavy-duty fastening solution. Whether you are performing machinery repairs or structural assembly, these Grade 5 steel fasteners deliver the professional-grade quality and consistency you need to get the job done right.