Industrial Fasteners · Made for the Real World

1/2"-13 UNC Hex Nut
Small Part. Serious Grip.

A precision zinc-plated hex nut engineered to hold steel structures, machines, and equipment together — bolt after bolt, joint after joint, job after job.

1/2" – 13 UNCZinc-Plated / HDG / StainlessANSI · ASTM · ISOOEM / ODM Welcome

0(1)1Meet the Nut That Holds It All Together

Every strong steel joint begins with one humble part: the hex nut. Our 1/2"-13 UNC hex nut may be small enough to fit in your palm, but it carries enormous responsibility — clamping beams together, anchoring machinery, and locking thousands of moving parts in place. It is the silent partner of every bolt, doing its job without fanfare, hour after hour, year after year.

Machined with a clean, fully formed internal thread and a smooth, burr-free body, this nut threads onto any standard 1/2" UNC bolt or stud quickly and reliably. The coarse 13-TPI thread form grips firmly under vibration, assembles fast with everyday tools, and can be reused across countless maintenance cycles. Whether you are building a steel frame, assembling a production line, or repairing a trailer, this is the nut you reach for when the job has to hold.

0(2)Precision Specs You Can Measure

Every dimension is held to tight tolerances and checked with calibrated gauges, so our nuts interchange perfectly with standard 1/2" UNC fasteners from any supplier worldwide.

0(3)Built From the Right Metal for Your World

One nut, many personalities. Choose the material and finish that matches your environment — from dry warehouses to salt-sprayed coastlines.

Low-Carbon Steel

Q235 / C1018. The workhorse choice — strong, affordable, and perfect for general indoor fastening and everyday OEM assembly.

Alloy Steel (Grade 8)

40Cr / SCM435, heat-treated for maximum strength. Built for trailers, heavy equipment, and applications that refuse to fail.

Stainless Steel

SS304 / SS316. Corrosion resistance you can trust — ideal for marine, chemical, food, and outdoor environments.

Protective Finishes

Zinc plating, hot-dip galvanizing, black oxide, nickel, and Dacromet. Each applied under control and checked for uniform thickness.

0(4)Why This Little Nut Earns Your Trust

Vibration-Resistant Grip

Coarse UNC threads hold fast under shaking, bouncing, and heavy loads — staying put when it matters most.

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Fast, Clean Assembly

Fully formed threads and burr-free surfaces let you spin it on smoothly and torque it down with confidence.

Interchangeable Precision

ANSI-tolerance dimensions mean it mates with any standard 1/2" UNC bolt — no surprises on the job site.

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Protective Coatings

Zinc and galvanized finishes guard against rust and corrosion, keeping joints strong in tough conditions.

Factory-Direct Quality

From raw coil to finished nut, every batch is inspected for dimensions, hardness, and plating thickness.

Any Spec You Need

Grades, materials, finishes, packaging — customized to fit your project, your brand, and your budget.

0(5)On the Job, Everywhere Steel Meets Steel

Wherever a joint has to hold, you will find this nut doing its quiet, dependable work:

• Construction & steel structures — beams, formwork, and scaffolding

• Machinery & equipment — jigs, fixtures, and production-line assembly

• Automotive & trailers — chassis, racks, and body mountings

• Agricultural machinery & irrigation systems

• Pipeline & flange connections — valves and utility joints

• Racks, storage systems, and heavy-duty shelving

• Quality You Can Count, Not Just Claim

  We do not ship on faith. Every lot passes through a disciplined inspection chain so your production line never has to second-guess a single nut.

  100%

  Raw Material Verification

  Mill certificates and chemical composition checks on every incoming coil.

  Multi-Stage

  In-Process Inspection

  Thread gauging, dimensional checks, and hardness testing at each step.

  Random Sampling

  Before Every Shipment

  Finished lots inspected and certified before they leave our factory.

(6)Quality You Can Count, Not Just Claim

We do not ship on faith. Every lot passes through a disciplined inspection chain so your production line never has to second-guess a single nut.

100%

Raw Material Verification

Mill certificates and chemical composition checks on every incoming coil.

Multi-Stage

In-Process Inspection

Thread gauging, dimensional checks, and hardness testing at each step.

Random Sampling

Before Every Shipment

Finished lots inspected and certified before they leave our factory.

(7)Packed to Arrive as Good as It Left

From a handful of samples to full containers, your nuts travel protected:

• Rust-preventive export cartons, palletized and steel-strapped

• Custom poly bags, retail boxes, and private-label packaging

• Mixed-size container loading to cut your freight cost

• Complete export documents for smooth customs clearance

• Express for trial orders · sea freight for volume shipments