Marine Fasteners RP-786 Flat Head Machine Screw 1/4-20 x 3in Stainless Steel 25-Pack

Marine Fasteners RP-786 is a 25-piece pack of 1/4-20 x 3-inch flat head machine screws engineered for dependable performance in marine and outdoor environments. The countersunk flat head design sits flush with the mounting surface for a clean, finished look — ideal for deck hardware, interior panels, electrical enclosures, and other boat installations where a low-profile fastener is required.

Key Features:

• Thread Size: 1/4-20 (UNC coarse thread) — the most common fractional machine screw size for marine hardware
• Length: 3 inches, measured from beneath the head
• Head Style: Flat (countersunk) — sits flush with the mating surface for a smooth, snag-free finish
• Fully threaded shank for use with a nut or into a pre-tapped hole
• Pack Quantity: 25 pieces per pack for convenient stocking and project use
• Suitable for fastening metal, fiberglass, and composite materials common in marine construction

These machine screws are ideal for a wide range of marine and powersports applications including securing deck fittings, mounting panels, assembling hardware, and general onboard mechanical assembly. The 1/4-20 coarse thread pattern provides strong clamping force and is widely compatible with standard nuts, washers, and pre-tapped components. Sold in a convenient 25-piece pack to keep your hardware supply stocked for ongoing maintenance and repairs.