The National Hardware N830-308 Interlocking Spring Snap is a steel fastener with zinc finish, engineered for secure attachment and quick release in demanding applications. Whether you’re securing dock lines, fastening livestock gates, or rigging equipment on a farm or boat, this 5/8-inch snap provides reliable load handling and dependable performance. The interlocking design creates a self-locking connection that holds firmly under load while remaining easy to open when needed, saving time and effort during routine operations.
Corrosion-resistant zinc coating protects the steel body and spring against rust in harsh environments—salty air, wet fields, and outdoor exposure. This makes the snap ideal for marine hardware, agricultural equipment, recreational gear, and any application where durability and weather resistance matter. Its quick-release mechanism streamlines tasks like pulling, lifting, and securing loads, reducing labor effort and minimizing downtime.
Features and Benefits
- Interlocking Spring Design: Self-locking connection provides a firm, secure hold ideal for critical lifting jobs and marine applications.
- 5/8 Inch Opening: Perfectly sized for medium-strength rigging tasks, boat moorings, livestock handling, and outdoor equipment.
- Zinc-Coated Steel: Superior corrosion resistance ensures long-term performance in salty, wet, and demanding environments.
- Quick-Release Action: Fast attachment and detachment streamlines pulling, lifting, and securing operations.
- Versatile Applications: Works for farming, boating, camping, tarp fastening, and any recreational activity requiring dependable fastening.
Specifications
- Brand: National Hardware
- Model: N830-308
- Size: 5/8 inch
- Working Load: 738 lb
- Material: Steel body and spring with zinc finish








