Northern Fasteners
M10 Threaded Rod Connector BZP | Coupling Nut 30mm | Sold Individually
M10 Threaded Rod Connector BZP | Coupling Nut 30mm | Sold Individually
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M10 threaded rod connector (also called a coupling nut or rod coupler) in Bright Zinc Plated (BZP) mild steel. Used to join two lengths of M10 threaded rod end-to-end, or to extend the length of a stud or bolt. 30mm length, 17mm A/F. Sold individually.
Specifications
- Thread size: M10
- Length: 30mm
- Width across flats (A/F): 17mm
- Material: mild steel
- Finish: Bright Zinc Plated (BZP)
- Also known as: coupling nut, rod coupler, extension nut
Suitable for
- Joining two lengths of M10 threaded rod
- Extending bolt or stud lengths
- General construction and structural work
Frequently asked questions
Can I use this to join two different finishes of rod?
Yes — you can join BZP and HDG rod for example. However, for outdoor use the coupler itself should match the finish of the more corrosion-resistant rod to avoid weak points.
Is there an A4 stainless version?
Yes — see our M10 A4 stainless rod connector.
Do you stock other sizes?
Yes — browse our full range of rod connectors and reducers from M6 to M24.
Delivery
Dispatched within 1 working day. Free delivery on orders over £60.
Complete your order
Northern Fasteners stocks everything you need for a complete, matched assembly. Always pair your fasteners with the same finish throughout — BZP with BZP, HDG with HDG, A4 stainless with A4 stainless — for consistent corrosion protection and a professional result. Browse our full range of hex nuts, washers, threaded rods, and bolt and nut sets to find everything you need.
BZP, HDG or A4 Stainless — which finish do you need?
Choosing the right finish is just as important as choosing the right size. BZP is ideal for indoor and sheltered use. HDG provides heavy-duty corrosion protection for outdoor, structural, and timber applications. A4 Grade 316 Stainless is the choice for marine, coastal, and chemical environments where no rust is acceptable. Read our guide to help you decide.
Why buy from Northern Fasteners?
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Same-day dispatch
Orders placed before 2pm are dispatched the same working day via tracked courier.
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Free delivery over £60
Free standard UK delivery on all orders over £60. Tracked and reliable.
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DIN & ISO standards
All fasteners are manufactured to DIN and ISO standards. Grade 4.8 and 8.8 as standard.
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Trade & domestic
Competitive pricing for both trade buyers and domestic projects. No minimum order.
Free delivery over £60 — same-day dispatch
Orders placed before 2pm are dispatched the same working day. Spend over £60 and get free standard UK delivery via tracked courier. All our fasteners are manufactured to DIN and ISO standards — properly graded, reliably finished, and competitively priced for trade and domestic buyers alike.
Also need mild steel?
We stock a full range of structural mild steel sections alongside our fasteners — angle iron, box section, flat bar, tube, round bar, and more. Whether you're building a gate, a frame, or a fabrication project, we have the steel and the fasteners to go with it, all in one order.