Upgrade your assemblies with our Hex Head Cap Screws in 316 stainless steel. The 3/4-10 x 4 1/2″ size (PT) delivers strong, corrosion-resistant fastening designed for demanding environmentsfrom marine and outdoor settings to heavy equipment and industrial applications.

Crafted from 316 stainless steel, these hex head cap screws stand up to moisture, salt, and chemicals, offering long-lasting performance and reliability where other alloys may fail. The 3/4-10 UNC coarse thread provides quick, secure engagement for sturdy assemblies. The 4 1/2″ length ensures adequate engagement in thicker materials or through multiple components, while the hex head accepts common wrenches for fast installation and removal.

Key specifications

• Material: 316 stainless steel for corrosion resistance and durability.
• Thread: 3/4-10 UNC coarse thread for reliable engagement.
• Length: 4 1/2″ overall length.
• Head style: Hex head designed for standard wrenches and sockets.

Applications

• Marine hardware and boat fittings
• Outdoor equipment and structures exposed to moisture
• Industrial machinery and equipment assemblies
• Automotive and heavy-duty constructions requiring high-strength fasteners

Compatibility and installation tips

Pair these screws with compatible nuts and washers rated for 3/4-10 UNC threads for secure fastening. Ensure proper torque to avoid over-tightening and material damage.