[75 PKG] Hex Head Cap Screws Grade 8 Steel Plain Fine Thread 1/2-20 x 9

Hex Head Cap Screws Grade 8 Steel Plain Fine Thread 1/2-20 x 9 are high-strength fasteners engineered for demanding assemblies where reliability and torque transfer are critical. With a plain (uncoated) finish, they provide robust performance in metal-to-metal connections without added plating.

These screws feature a hex head for easy tightening with standard wrenches or sockets, and a fine thread form that delivers increased thread engagement and improved resistance to loosening in vibration-prone applications. The 1/2-20 size denotes a half-inch diameter with 20 threads per inch, and the 9-inch length is suitable for deep or thick components.

• Material: Grade 8 steel for high-strength, durability, and dependable performance under heavy loads.
• Finish: Plain (uncoated) for clean appearance and compatibility with a variety of assemblies.
• Thread: Fine thread (1/2-20) provides more grip and better resistance to loosening in dynamic applications.
• Size & Length: 1/2" diameter, 20 TPI, 9" long.
• Head: Hex head for easy driving with common wrenches or sockets.
• Applications: Ideal for automotive, machinery, equipment assembly, and other heavy-duty fastening needs where high strength is required.

To ensure proper fit and performance, pair these screws with the appropriate nuts and washers and follow recommended torque specifications for Grade 8 fasteners.