[150 PKG] Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 9/16-18 x 2-3/4

Upgrade your hardware kit with these Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 9/16-18 x 2-3/4. These high-strength fasteners are designed for demanding assemblies where strength, reliability, and a clean profile matter.

Engineered for durability and strong clamping in a wide range of applications, these Hex Head Cap Screws are made from Grade 5 steel with a plain finish and a fine thread. The 9/16" diameter, 18 TPI thread, and 2-3/4" length deliver robust performance in automotive, industrial, and machinery assemblies where precise torque and load distribution matter.

• Grade 5 steel — high-strength carbon steel for reliable performance under load.
• Finish — plain (uncoated) steel; suitable for painting or coating later, but will require protection in corrosive environments.
• Thread — fine thread for precise adjustment and strong pull in tight spots.
• Size — 9/16 inch diameter with 18 threads per inch (9/16-18); length 2-3/4 inches.
• Head style — hex head for easy driving with standard tools and secure, flush seating.
• Applications — ideal for automotive assemblies, machinery, equipment installation, and general fastener needs requiring strength and a clean, professional finish.

Tip: For best results, pair these screws with compatible nuts and washers and ensure appropriate lubrication to reduce galling. Store in a dry environment to prevent rust on the plain finish.