18mm Bright Zinc Plated Steel Coupling Nut, M6

View all Connecting Nuts

Subtotal (1 bag of 25 units)*

£11.00

(exc. VAT)

£13.20

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 135 unit(s) ready to ship
  • Plus 36 unit(s) ready to ship from another location
  • Plus 120 unit(s) shipping from 19 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Bag(s)
Per Bag
Per unit*
1 +£11.00£0.44

*price indicative

RS Stock No.:
276-522
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Thread Size

M6

Length

18mm

Material

Steel

Standards Met

DIN 6334

Finish

Bright Zinc Plated

COO (Country of Origin):
CN

RS PRO Coupling Nuts


From the trusted RS PRO brand, these hexagonal connecting nuts can be used as spacers or to connect threaded rods. Their hexagonal shape means they can be manipulated with appropriate wrenches to tighten and loosen as needed. These coupling nuts are plated with bright zinc, allowing for a degree of protection against corrosion.

Available in various metric sizes and coatings;


• 276-522 is an M6 x 18mm zinc plated steel coupling nut

• 276-538 is an M8 x 24mm zinc plated steel coupling nut

• 276-544 is an M10 x 30mm zinc plated steel coupling nut

• 825-269 is an M6 x 18mm stainless steel coupling nut

• 825-275 is an M8 x 24mm stainless steel coupling nut

• 825-297 is an M12 x 36mm stainless steel coupling nut

Features and Benefits


• Hexagonal coupling nut

• Bright zinc plated steel

• Ideal for rod assembly and component spacing

Applications


Hex coupling nuts are a highly versatile fastener and feature a continuous thread that can accommodate screws or rods from either end. Whether used to connect flexible threaded rods in camping tents or trampolines or as a connector spacer in PCB applications to separate components from the board, coupling nuts can provide a robust point of contact in a variety of constructions.

Why RS PRO?


RS PRO aims to be your go-to brand for reliability and value for money. We source great parts at great prices and test everything with our in-house experts to ensure the quality you need.

When it comes to tools and fasteners, we know that versatility and dependability are what you need. As such, we stock a variety of mainstay and specialist fasteners and couplers to suit any application. Whether you're a professional electrician, plumber, builder or DIY enthusiast, RS PRO is here to support you.

Related links