Premium quality Hex Head Cap Screws in 316 stainless steel deliver exceptional strength and corrosion resistance in demanding environments. This 9/16-12 x 4 1/2″ (PT) fastener is ideal for marine, outdoor, and industrial applications.

• Material: 316 stainless steel for superior corrosion resistance and long service life in challenging conditions.
• Size and Thread: 9/16″ diameter, 12 threads per inch, 4 1/2″ length (PT).
• Head: Hex head for easy tool engagement and high torque with standard wrenches or sockets.
• Threading: PT (Partially threaded) design for controlled engagement.
• Applications: Ideal for equipment, machinery, automotive, and marine hardware assemblies.

Why choose 316 stainless steel

316 stainless steel provides outstanding corrosion resistance against saltwater, chemicals, and moisture, making these screws a reliable choice for boats, docks, outdoor machinery, and marine-grade projects.

Specifications

Diameter: 9/16 in Threads: 12 TPI Length: 4 1/2 in Drive: Hex Type: (PT) partially threaded.