33% Off
Zenith

Zenith M6 x 40mm Hot Dipped Galvanised Cup Head Bolt and Nut, 4.6 Grade Steel

$2.19 $3.29 -33% OFF
You save: $1.10
Price reduced — was $3.29
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Frequently bought together

The Zenith M6 x 40mm hot dipped galvanised cup head bolt and nut is a 4.6 grade steel coach bolt for fastening timber to timber and timber to metal. The square neck under the dome head locks into the timber so the bolt will not spin as the nut is tightened.

  • Brand: Zenith
  • Bolt size: M6 x 40mm
  • Material: 4.6 grade steel
  • Finish: Hot dipped galvanised
  • Head type: Cup head
  • Colour: Grey
  • Pack: Each (bolt and nut)

With its hot dipped galvanised finish for corrosion resistance, this cup head bolt is well suited to outdoor builds such as fences, decking, pergolas and garden structures. A matching M6 hot dipped galvanised washer and nut can be added to finish the fixing.

More about this product

The Zenith M6 x 40mm Hot Dipped Galvanised Cup Head Bolt and Nut is a durable fastening solution engineered for reliable fastening of timber to timber and timber to metal. The hot dipped galvanised finish provides corrosion protection for outdoor applications. This bolt includes a square neck feature that prevents it from spinning during installation, ensuring a secure fit.

  • M6 x 40mm size
  • 4.6 grade steel with hot dipped galvanised finish
  • Cup head with square neck
  • Nut included

Questions & Answers

Is a nut included with this bolt?

Yes, each bolt is supplied with a matching hex nut.

Is hot dipped galvanised the same as galvanised?

Hot dipped galvanising gives a thicker zinc coating than standard galvanising, offering greater corrosion protection for outdoor use.

What is a cup head bolt used for?

Also called a coach bolt, it fastens timber to timber or timber to metal, with the square neck preventing the bolt from turning.

Can I add a washer?

Yes, a matching M6 hot dipped galvanised washer fits under the nut to spread the load.

Is it suitable for exterior projects?

Yes, the hot dipped galvanised finish resists corrosion in outdoor conditions.

Standard Shipping Australia-wide
Dispatches within 1-2 business days from our Australian warehouses
14-Day Change-of-Mind Returns
Change of mind? Eligible products can be returned within 14 days of delivery if unopened, unused and in original packaging. Return postage and restocking fees may apply. This does not affect your Australian Consumer Law rights for faulty products.

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