Marine Fasteners RP-1331 8-32 Nylon Insert Hex Lock Nut 18-8 Stainless Steel 100-Pack

The Marine Fasteners RP-1331 is a #8-32 Nylon Insert Hex Lock Nut made from 18-8 stainless steel, sold in a convenient 100-piece pack. Designed for secure, long-lasting fastening in demanding marine and industrial environments, these lock nuts feature an integrated nylon collar that grips the mating threads and resists loosening caused by vibration, shock, and thermal cycling.

Key Features:

• Thread Size: #8-32 UNC (Unified Coarse Thread)
• Material: 18-8 (304) Stainless Steel — excellent corrosion and rust resistance
• Nylon Insert: Locks onto bolt threads to prevent vibration-induced loosening without damaging thread surfaces
• Hex Profile: Standard hex body for use with common wrenches and sockets
• Thin/Low-Profile Pattern: Compact design for applications with limited clearance
• Pack Quantity: 100 pieces per bag
• Ideal For: Marine hardware, boat outfitting, electrical panels, deck fittings, and general corrosion-resistant fastening

18-8 stainless steel provides outstanding resistance to salt air, moisture, and mild chemicals, making these lock nuts a reliable choice for marine, solar, and industrial applications. The nylon insert is reusable for several installations while maintaining its locking torque. Conforms to standard nylon insert lock nut dimensional specifications.