• Macsim 12mm x 90mm galvanised cup head bolt and nut
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Macsim 12mm x 90 mm Cup Head BOLT & NUT Galvanised

Macsim 12mm x 90 mm Cup Head BOLT & NUT Galvanised

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A galvanised cup head bolt and nut that locks into the timber and holds your frame tight, rain or shine.

Description
Secure your structures using Macsims high-quality bolts designed for tradespeople and DIYers. Suitable for fixing into metal to metal or timber to timber in framing applications.

Applications: post supports, metal posts, metal frames

Specifications
Product Code: 33MG12090
Item: Bolt & Nut - Cup Head
Diameter (mm): 12
Length (mm): 90
Head Type: Cup Head / Carriage Head
Measure Type: Metric
Finish: Galvanised

Picture and information intended only as a guide.
This product is available in-store and online

Looking for bulk or box quantities? Please call the store directly to discuss your needs.

View full details

The technical bits

  • Type: Cup head bolt with nut
  • Head: Domed cup head
  • Neck: Square neck under head, grips timber and stops the bolt spinning
  • Diameter: 12mm (M12)
  • Length: 90mm
  • Thread: Coarse metric
  • Finish: Galvanised
  • Material: Steel
  • Supplied with: Matching hex nut
  • Brand: Macsim

Why this one earns its place

  • Square neck digs into the timber so the bolt holds still while you tighten the nut
  • Galvanised finish keeps rust off outdoor joints through wet and heat
  • Made for structural framing, so it holds where a light screw would pull through
  • Comes with its own nut, so there is no hunting for the right thread at the counter
  • Domed head sits smooth with no sharp corner to catch on

Shipping and Returns

We pack and send your order with care, right here from our Strathalbyn store. Most parcels leave within 1-2 business days, and you'll get tracking as soon as it's on the way. If you're local, you can choose click-and-collect or our delivery service at checkout.

If something arrives damaged or not quite right, let us know within 14 days and we'll sort it quickly. You can return unused items in their original condition for a refund or store credit. For safety reasons, we can't accept returns on gas bottles, cut materials, or custom orders.

We're here to make things easy, so if you ever have a question about your delivery or a return, our team is only a call away.

Why you'll love shopping with us

  • Trade-grade, job-tested

    This gear is selected for daily use on real job sites, not light-duty or one-off projects.

  • Right gear, first time

    We help you get the correct product and spec upfront so you’re not redoing work later.

  • In and out fast

    Call ahead and we'll set your order aside so you spend less time at the counter.

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