► Securefix | Hex Nuts

UNC Threaded Fastening for Reliable Mechanical & Structural Assembly Threaded fastening systems rely on precision components that maintain clamping force under load. In mechanical assembly, construction & maintenance work, selecting the correct nut type ensures consistent thread engagement & long-term joint stability. Securefix UNC hex nuts are designed for secure...

UNC Threaded Fastening for Reliable Mechanical & Structural Assembly

Threaded fastening systems rely on precision components that maintain clamping force under load. In mechanical assembly, construction & maintenance work, selecting the correct nut type ensures consistent thread engagement & long-term joint stability.

Securefix UNC hex nuts are designed for secure threaded fastening, reliable clamping force & compatibility with UNC bolt systems across industrial & construction applications. These hex nuts, UNC hex nuts & coarse thread nuts provide dependable performance in both structural & mechanical assemblies.

These UNC hex nuts, also known as coarse thread nuts, are widely used across industrial fastening systems in Australia where durability & fast installation are critical.

A hex nut is a six-sided fastening component used in combination with bolts or threaded rods to secure materials together. UNC (Unified National Coarse) thread profiles allow faster installation while maintaining strong engagement under load.

Within fastening systems, these components are commonly paired with Structural Fasteners & Bolts, Hex Bolts & Stud Bolts to form complete threaded assemblies. Additional support components include Flat Washer, Spring Washer, Lock Nut & Socket Head Bolts where load distribution & fastening security are required.

Consistent thread engagement supports stable & long-term joint performance across demanding applications.

What’s in This Collection:

UNC hex nuts are supplied based on thread size, material finish & pack quantity to ensure compatibility across standard coarse-thread fastening systems. Securefix hex nuts are structured for practical use across construction, mechanical & industrial applications.

► UNC Hex Nuts by Thread Size
‣ Sized to match standard UNC bolt diameters such as 1/4", 3/8" & 1/2" for correct fitment

► Zinc-Plated UNC Hex Nuts
‣ General-purpose corrosion resistance for indoor & controlled environments

► Galvanised UNC Hex Nuts
‣ Protective coating suited for outdoor, structural & exposed applications

► Heavy-Duty UNC Hex Nuts
‣ Designed for high-load fastening where strength is critical

► Bulk UNC Hex Nut Packs
‣ High-volume supply for construction, workshop & industrial use

► Trade Pack UNC Hex Nuts
‣ Medium-volume packs suited for ongoing maintenance tasks

► Replacement Size Packs
‣ Individual size packs for restocking specific thread requirements

Selecting the correct thread size & finish ensures proper fit while maintaining reliable fastening performance.

Trade Applications for Hex Nuts

UNC hex nuts are specifically used where coarse thread engagement provides faster installation & reliable performance under load.

► Construction Steel Assembly
 ‣ Coarse threads allow faster installation with reduced cross-thread risk

► Mechanical Equipment Assembly
 ‣ Provides strong engagement in machinery & moving components

► Maintenance & Repair Work
 ‣ Easier removal & reinstallation compared to fine thread systems

► Heavy Equipment Fastening
 ‣ Maintains clamping force under vibration & dynamic loads

► Threaded Rod Systems
 ‣ Secures components in adjustable or extended fastening setups

► General Industrial Fastening
 ‣ Used across workshops where speed & durability are required

Correct thread selection improves fastening efficiency while maintaining long-term joint integrity.

 

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  • Securefix HEX Nut 72mm Blk Class 8
    Securefix - HEX Nut 72mm Blk Class 8 | HNM72B
    Hex Nut 72mm Blk Class 8 | HNM72B The Hex Nut 72mm Blk Class 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $71.87
    $66.55
    $71.87
  • Securefix HEX Nut 64mm Blk Class 8
    Securefix - HEX Nut 64mm Blk Class 8 | HNM64B
    Hex Nut 64mm Blk Class 8 | HNM64B The Hex Nut 64mm Blk Class 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $39.60
    $36.67
    $39.60
  • Securefix HEX Nut 56mm Blk Class 8
    Securefix - HEX Nut 56mm Blk Class 8 | HNM56B
    Hex Nut 56mm Blk Class 8 | HNM56B The Hex Nut 56mm Blk Class 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $22.89
    $21.19
    $22.89
  • Securefix HEX Nut 48mm Blk Class 8
    Securefix - HEX Nut 48mm Blk Class 8 | HNM48B
    Hex Nut 48mm Blk Class 8 | HNM48B The Hex Nut 48mm Blk Class 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $19.18
    $17.76
    $19.18
  • Securefix HEX Nut 42mm Blk Class 8
    Securefix - HEX Nut 42mm Blk Class 8 | HNM42B
    Hex Nut 42mm Blk Class 8 | HNM42B The Hex Nut 42mm Blk Class 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $11.40
    $10.56
    $11.40
  • Securefix HEX Nut 36mm Blk Class 8
    Securefix - HEX Nut 36mm Blk Class 8 | HNM36B
    Hex Nut 36mm Blk Class 8 | HNM36B The Hex Nut 36mm Blk Class 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $5.48
    $5.08
    $5.48
  • Securefix HEX Nut 30mm Blk Class 8
    Securefix - HEX Nut 30mm Blk Class 8 | HNM30B
    Hex Nut 30mm Blk Class 8 | HNM30B The Hex Nut 30mm Blk Class 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $3.48
    $3.22
    $3.48
  • Securefix HEX Nut 24mm Blk Class 8
    Securefix - HEX Nut 24mm Blk Class 8 | HNM24B
    Hex Nut 24mm Blk Class 8 | HNM24B The Hex Nut 24mm Blk Class 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $1.85
    $1.72
    $1.85
  • Securefix HEX Nut UNF 1 3/8 Blk
    Securefix - HEX Nut UNF 1 3/8 Blk | HNF138B
    Hex Nut UNF 1 3/8 Blk | HNF138B The Hex Nut UNF 1 3/8 Blk kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $7.82
    $7.24
    $7.82
  • Securefix HEX Nut UNF 1 ¾ Blk
    Securefix - HEX Nut UNF 1 3/4 Blk | HNF134B
    Hex Nut UNF 1 ¾ Blk | HNF134B The Hex Nut UNF 1 ¾ Blk kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $20.65
    $19.12
    $20.65
  • Securefix HEX Nut UNF 1 ½ Blk
    Securefix - HEX Nut UNF 1 1/2 Blk | HNF112B
    Hex Nut UNF 1 ½ Blk | HNF112B The Hex Nut UNF 1 ½ Blk kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $8.24
    $7.63
    $8.24
  • Securefix HEX Nut UNF 1 ¼ Blk
    Securefix - HEX Nut UNF 1 1/4 Blk | HNF114B
    Hex Nut UNF 1 ¼ Blk | HNF114B The Hex Nut UNF 1 ¼ Blk kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset...
    $4.55
    $4.21
    $4.55
  • Securefix HEX Nut UNF 1 Blk
    Securefix - HEX Nut UNF 1 Blk | HNF1B
    Hex Nut UNF 1 Blk | HNF1B The Hex Nut UNF 1 Blk kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit is an indispensable asset for any...
    $2.50
    $2.32
    $2.50
  • Securefix HEX Nut UNC 1 ¾ Jam Nuts Gr 8
    Securefix - HEX Nut UNC 1 3/4 Jam Nuts Gr 8 | HNC134JB
    Hex Nut UNC 1 ¾ Jam Nuts Gr 8 | HNC134JB The Hex Nut UNC 1 ¾ Jam Nuts Gr 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners,...
    $10.47
    $9.70
    $10.47
  • Securefix HEX Nut UNC 1 ¾ Galv Gr 8
    Securefix - HEX Nut UNC 1 3/4 Galv Gr 8 | HNC134G
    Hex Nut UNC 1 ¾ Galv Gr 8 | HNC134G The Hex Nut UNC 1 ¾ Galv Gr 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit...
    $12.77
    $18.90
    $12.77
  • Securefix HEX Nut UNC 1 ¾ Blk Gr 8
    Securefix - HEX Nut UNC 1 3/4 Blk Gr 8 | HNC134B
    Hex Nut UNC 1 ¾ Blk Gr 8 | HNC134B The Hex Nut UNC 1 ¾ Blk Gr 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit...
    $13.60
    $12.59
    $13.60
  • Securefix HEX Nut UNC 1 ½ Jam Nuts Gr 8
    Securefix - HEX Nut UNC 1 1/2 Jam Nuts Gr 8 | HNC112JB
    Hex Nut UNC 1 ½ Jam Nuts Gr 8 | HNC112JB The Hex Nut UNC 1 ½ Jam Nuts Gr 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners,...
    $7.62
    $7.05
    $7.62
  • Securefix HEX Nut UNC 1 ½ Galv Gr 8
    Securefix - HEX Nut UNC 1 1/2 Galv Gr 8 | HNC112G
    Hex Nut UNC 1 ½ Galv Gr 8 | HNC112G The Hex Nut UNC 1 ½ Galv Gr 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit...
    $13.49
    $12.61
    $13.49
  • Securefix HEX Nut UNC 1 ½ Blk Gr 8
    Securefix - HEX Nut UNC 1 1/2 Blk Gr 8 | HNC112B
    Hex Nut UNC 1 ½ Blk Gr 8 | HNC112B The Hex Nut UNC 1 ½ Blk Gr 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners, this kit...
    $9.05
    $8.38
    $9.05
  • Securefix HEX Nut UNC 1 ¼ Jam Nuts Gr 8
    Securefix - HEX Nut UNC 1 1/4 Jam Nuts Gr 8 | HNC114JB
    Hex Nut UNC 1 ¼ Jam Nuts Gr 8 | HNC114JB The Hex Nut UNC 1 ¼ Jam Nuts Gr 8 kit from Securefix is a comprehensive assortment designed to meet the rigorous demands of trade professionals. Providing a reliable supply of high-quality fasteners,...
    $3.35
    $3.11
    $3.35

Threaded Fastening Performance for Coarse Thread Systems

Threaded assemblies must perform reliably under load, vibration & repeated use. Incorrect thread matching or poor-quality components can lead to loosening, wear or joint failure over time.

Securefix UNC hex nuts are developed to provide consistent fastening performance across construction, mechanical & industrial environments. Coarse thread profiles improve installation speed while maintaining dependable engagement.

These fastening components integrate with Structural Fasteners & Bolts, Hex Bolts & Stud Bolts to complete secure threaded systems. Fast availability is supported by Same day dispatch when components are required urgently. Ongoing value & access benefits are available through Alpha crew Member perks from Industrial Shed.

Efficient threaded systems reduce downtime while supporting consistent assembly performance.

► Precision fastening components designed for reliable performance
► Trusted products used across construction & industrial applications
► Bulk supply options for ongoing projects
► Fast nationwide delivery across Australia

Secure Every Threaded Connection with Confidence

Loose or mismatched threaded components can compromise structural integrity & lead to rework. Securefix hex nuts provide dependable UNC hex nuts, coarse thread nuts & industrial fastening solutions designed for real-world applications.

Browse the Securefix range to find hex nuts, UNC threaded nuts & fastening components suited for construction, mechanical & industrial use. Combine these with compatible fastening products from Industrial Shed to complete your setup.

Frequently Asked Questions

UNC stands for Unified National Coarse, referring to a thread type with larger pitch for faster installation & stronger engagement.

Coarse thread nuts are ideal for applications requiring quick assembly, durability & resistance to stripping.

No. UNC hex nuts must be matched with UNC threaded bolts for correct fitment.

Yes. Coarse threads provide better resistance to loosening in certain applications compared to fine threads.

Washers are recommended to distribute load & protect surfaces during fastening.

The nut must match the bolt diameter & thread type to ensure proper engagement.

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