Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 5/8-18, Pack of 3
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- Durable Alloy Steel Construction: Built for strength and reliability in demanding environments. Designed to securely fasten together two threaded hardware parts including rods and pipes.
- Hex Construction: The coupling nut features a hexagonal exterior, allowing a secure grip with a wrench for efficient tightening
- Fine Threaded Design: Features a fine-threaded interior that enhances tensile strength, ensures precise alignment, and reduces the risk of loosening under vibration or stress
- Zinc Plated Finish: Provides superior corrosion protection for long-lasting performance and a clean, bright appearance—perfect for indoor and light outdoor environments
- Versatile Use: Suitable for secure attachments in automotive, home improvement, DIY, and construction projects
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Estimated shipping
Select a product to estimate shipping.Put together your projects with confidence using Hard to Find Fastener’s fine thread coupling nuts. Designed to securely fasten together two threaded hardware parts including rods and pipes, the exterior of the coupling nut is hexagonal for easy grip with a wrench so that they can be efficiently tightened. These fasteners have a fine threaded interior for increased tensile strength and more precise alignment with a lower chance of loosening due to vibration or stress. The durable coating of these steel coupling nuts delivers corrosion resistance and a clean, bright appearance—perfect for indoor and light outdoor environments. They’re suitable for secure attachments in automotive, home improvement, DIY, and construction projects. Not all fasteners are applicable for all applications so be certain to test thoroughly and get the opinion of a licensed builder or certified building or structural engineer before relying on these fasteners for any situations where failure would result in damage to property or person.
Hard-To-Find Fastener
We stock a wide variety of fasteners ideal for many applications around the home, farm, business, or automotive industries. Most of our fasteners have a light zinc plating over steel giving a more rust resistant finish. We also sell coated and stainless products for additional rust resistance. We stock many grades of fasteners ranging from low carbon steel on up to hardened, heat treated steel. Not all fasteners are applicable for all applications. Be certain to test thoroughly and consult a licensed builder or engineer before relying on these fasteners for any situations where failure would result in damage to property or person.
Anchors
Hard-to-Find Fastener carries a wide variety of anchors for use in masonry, drywall, wood, and other applications
Hex Bolts
Hard-to-Find Fastener carries hex bolts in A307, Grade 5, Grade 8, Metric 8.8, and Metric 10.9, in zinc, galvanized, and stainless steel finishes
Carriage Bolts
Hard-to-Find Fastener carries carriage bolts in A307 and Grade 5 in zinc, galvanized and stainless finishes
Machine Screws
Hard-to-Find Fastener carries flat head, hex head, pan head, and many other machine screws in metric and standard sizes in zinc and stainless steel finishes
Hex Nuts
Hard-to-Find Fastener carries a wide variety of hex nuts in metric and standard sizes for any application in zinc, galvanized, and stainless steel finishes
Washers
Hard-to-Find Fastener carries a wide variety of washers in metric, standard, USS, and SAE sizes in zinc, galvanized, and stainless steel finishes
Sheet Metal Screws
Hard-to-Find Fastener carries a wide variety of sheet metal screws in hex, pan, flat, painted, and other heads in zinc and stainless steel finishes.
Wood Screws
Hard-to-Find Fastener carries wood screws in phillips, square, and star drive for interior and exterior applications
Specialty
Hard-to-Find Fastener carries a wide variety of specialty products including hitch pins, cotter pins, tension pins, hanger bolts, spacers, furniture connector bolts and many more specialty items.
Product details
| Main Specification | |
|---|---|
| Metal Type | Alloy Steel or Carbon Steel |
| Manufacturer | Hard-To-Find Fastener |
| Unit Count | 3 Count |
| Exterior Finish | Zinc |
| Thread Coverage | Partially Threaded |
| Outside Diameter | 0.63 Inches |
| Brand | FASTENER BASICS |
| UPC | 014973322243 |
| Fastener Type | Lock |
| Item Diameter | 0.63 inches |
| Number of Pieces | 3 |
| Thread Size | 5/8"-18 |
| Material | Alloy Steel |
| Colour | Silver |
| Thread Type | Unified National Fine |
| Product information | |
| Set Name | 5/8-18 Coupling Nut Set (3 Pieces) |
| Technical Details | |
| Thread Style | Right Hand or Unified National Fine |
| Part Number | CPLNT-124-3 |
| Model | 014973322243 |
| Inside Thread Size | #8 |
| Material Type | Alloy Steel |
| Number Of Items | 3 |
| Thread Class | Class 2a |
| Compatible groove diameter | 0.63 Inches |
| Style | |
| Finish Types | Zinc |
| Measurements | |
| Item Dimensions | 3.5 x 2.62 x 1.44 inches |
| Others | |
| Product Type | Coupling Nuts |
| Grade Rating | Industrial |
| Size Name | 5/8-18 |
| Screw Head Style | Hex |
| Drive Style | External Hex |