Marine Fasteners RP-77 Hex Cap Screw 5/16-18 x 1 in Stainless Steel 25-Pack

The Marine Fasteners RP-77 is a pack of 25 hex cap screws sized 5/16-18 x 1 inch, engineered for use in demanding marine and saltwater environments. These fasteners feature a standard hex head for easy installation with a wrench or socket, and are designed to resist the corrosion and moisture exposure common in boats, docks, and other marine applications.

Key Features:

• Size: 5/16-18 x 1 inch (5/16 in diameter, 18 threads per inch, 1 inch length)
• Thread type: UNC (Unified National Coarse) — 18 threads per inch
• Head style: Hex cap (external hex drive)
• Quantity: 25 pieces per pack
• Application: Designed for marine, saltwater, and outdoor environments
• Drive type: Hex wrench or socket compatible

Marine-grade fasteners like the RP-77 are an essential hardware item for boat building, repair, dock construction, and any application requiring reliable corrosion-resistant bolts. The 25-piece pack provides a practical quantity for both single projects and general stock maintenance.