Nuts
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- For use with coarse thread threaded rod
- Zinc finish for added corrosion resistance
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- High-strength Use: Ideal for structural applications with A325 or A490 bolts, or where high strength is necessary.
- For Use With: A325 structural hex bolts, A490 structural bolts, anchor bolts, Grade B7 threaded rod, A307 Grade B threaded rod.
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- Common Applications: Marine projects, coastal areas, outdoor use, and animal confinements, or where heavy corrosion resistance is necessary.
- For Use With: Stainless steel hex bolts, stainless steel threaded rod, or other stainless steel fasteners.
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- For use with coarse thread threaded rod
- Maximum corrosion resistance for harsh environments
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- For use with coarse thread threaded rod
- Maximum corrosion resistance for harsh environments
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- General-Purpose Use: Ideal for general construction, low-strength bolting assemblies, light-duty machinary, or residential projects.
- For Use With: Hex Bolts, A307 Threaded Rod, Grade 55 Threaded Rod, and General Purpose Threaded Rod.
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SKU: NUT1-1/4-HDG
Simpson Strong-Tie 1-1/4" NUT1-1/4-HDG ASTM A563 Hex Nut - Hot Dip Galvanized
No reviewsRegular price $8.45Regular priceUnit price / perSale price Sale 8.45You Save 0%Ships Mar 3 when you order now -
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Nuts for Every Application - Secure, Reliable, Built to Perform
Nuts are one half of one of the most trusted fastening systems in the world: the nut and bolt. Whether you're assembling structural steel, securing machinery, fastening wood components, or completing a DIY repair, the right nut ensures clamping strength, load distribution, and long-term reliability.
At Fasteners Plus, we carry a wide selection of high-quality nuts designed for construction professionals, fabricators, maintenance crews, and serious DIYers. From structural hex nuts to specialty lock nuts, coupling nuts, and more, our inventory is built to keep your projects secure and on schedule.
Common Types of Nuts We Carry
Each nut type serves a specific purpose. Choosing the correct style improves performance, safety, and longevity.
Coupling Nuts
Coupling nuts are extended hex nuts used to connect two pieces of threaded rod or extend fasteners to a desired length. Common in structural bracing, electrical hanger systems, and anchor rod applications, coupling nuts provide strong, full-thread engagement for secure connections.
Hex Nuts
The standard hex nut is one of the most widely used fasteners in construction and equipment assembly. Designed to pair with bolts, screws, and threaded rod, hex nuts are ideal for general-purpose fastening across wood, steel, and mechanical applications.
Heavy Hex Nuts
Heavy hex nuts feature a thicker and wider profile than standard hex nuts, providing increased strength and bearing surface. They are commonly specified for structural steel connections and high-load applications where added durability is required.
Nylon Insert Locknuts
Also known as nyloc nuts, nylon insert locknuts contain a nylon collar that resists loosening caused by vibration and movement. These are ideal for automotive, machinery, and equipment applications where long-term vibration resistance is critical.
T-Nuts
T-nuts are designed for wood applications and provide a flush, secure threaded insert from the backside of the material. Frequently used in furniture, woodworking, speaker boxes, and fixture installations, T-nuts create strong, reusable internal threads in wood components.
Materials & Finishes Matter
Selecting the proper material and coating ensures durability in your environment:
- Zinc Plated: Ideal for interior and low-corrosion environments.
- Hot-Dip Galvanized: Added corrosion resistance for exterior applications.
- Stainless Steel: Excellent for marine, coastal, and high-moisture environments.
- Grade-Specific Options: Including Grade 2, Grade 5, Grade 8, and ASTM structural grades.
How to Choose the Right Nut
To ensure proper performance, consider the following:
- Thread size and pitch (must match your bolt or threaded rod)
- Material compatibility to prevent corrosion
- Load requirements and grade specifications
- Environmental exposure conditions
- Need for vibration resistance
If you're unsure which nut fits your application, our product experts are ready to help. We work with contractors, engineers, and DIYers every day to ensure the right fastener is selected the first time.
Why Buy Nuts from Fasteners Plus?
- Thousands of in-stock fasteners ready to ship
- Bulk pricing and custom quantity options available
- Same-day shipping on most orders placed before 4:00 PM CST
- Knowledgeable support team available by phone
From small repairs to full structural builds, Fasteners Plus supplies the nuts and fastening solutions professionals trust to keep projects secure and moving forward.
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FIND IT FAST. GET IT FAST.
We stock thousands of connectors, fasteners, and more & ship fast to keep your project moving. Need assistance? Contact our experts today.













