Collection:
Coupling Nuts
Also known as extension nuts, these long-bodied fasteners are designed to join two lengths of threaded rod or studs. Their extended thread engagement provides a high-strength connection, making them ideal for hanging services, HVAC installations, and extending threaded fasteners in construction.
M8 x 24mm Coupling Nuts Zinc - Box 50
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M20 x 60mm Coupling Nuts Gal - Box 25
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M16 x 50mm Coupling Nuts Gal - Box 25
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M20 x 60mm Coupling Nuts Zinc - Box 50
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M16 x 50mm Coupling Nuts Zinc - Box 50
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M6 x 18mm Coupling Nuts Zinc - Box 50
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M12 x 36mm Coupling Nuts Zinc - Box 50
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M12 x 36mm Coupling Nuts Gal - Box 50
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M10 x 30mm Coupling Nuts Gal - Box 50
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M10 x 30mm Coupling Nuts Zinc - Box 50
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About Our Nuts and Bolts Range
Fasten Up carries hex bolts and nuts in zinc plated, galvanised and 304 and 316 stainless steel, including 8.8 high tensile and structural assemblies, plus coach bolts, U-bolts, eye bolts, purlin bolts, machine screws, socket screws, grub screws and threaded rod. Nuts and washers are stocked to suit, from standard hex nuts and nyloc locking nuts through to flat, spring and structural washers.
Thread size, length, grade and finish are listed on every product so you can pick the right bolt and nut combination for the connection. Everything is packed in trade quantities, dispatched quickly from Chelsea Heights in Melbourne, with delivery Australia-wide or click and collect.