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Small cylindrical screw anchor with fluted sides and a pointed tip, dull grey metal finish

L.H. DOTTIE

L.H. DOTTIE WDK8WT Screw Anchor 1-1/2" Zamac Alloy

SKU CH-TTB6-ECHQP

Zamac alloy screw anchor, 1-1/2 inch length, secures fixtures in masonry

  • Product typeAnchors
  • Zamac alloy resists corrosion for long-lasting hold
  • 1-1/2 inch length suits medium-duty fastening tasks
  • Screw anchor design expands securely in masonry and concrete
  • New condition ensures full structural integrity out of the box
  • DOTTIE brand delivers reliable anchoring hardware for fireplace installs

DOTTIE WDK8WT Screw Anchor

The DOTTIE WDK8WT is a 1-1/2 inch screw anchor made from Zamac alloy. It is intended for installers who need a reliable fastening point in masonry or similar substrates. This hardware suits both professional tradespeople and DIY users securing fixtures near a fireplace. The anchor provides a straightforward mechanical hold for mounting brackets or surrounds.

Sustained Load Behaviour

The Zamac alloy body resists deformation when subjected to continuous tension or shear forces. It maintains clamping pressure without the relaxation sometimes seen in softer metal anchors over long periods. The material choice helps the anchor withstand thermal cycling from nearby heat sources. Performance remains consistent as long as the substrate remains sound and the anchor is set to the correct depth.

Installation And Common Issues

Drill a hole matching the anchor diameter, clean out dust, then drive the anchor flush before inserting the screw. A frequent error is using an oversized bit, which prevents the anchor from expanding fully. Another issue arises if the hole is not deep enough, leaving the anchor proud of the surface. Over-tightening the screw can strip the soft alloy threads.

How it compares

Measured against everything we stock in Fireplace Tools & Fire Glass, at today’s prices. Recalculated every night.

Price $25.99
Typical for this category: the median of 51 items is $25.99.

Specifications

Product
Brand nameDOTTIE
Product typeAnchors

Questions about this item

Does the Zamac alloy anchor generate any heat or noise during continuous installation use?

The anchor is a passive metal fastener and produces no heat or noise once installed.

What drill bit size and base material do I need before using the 1-1/2" Zamac alloy anchor?

A correctly sized masonry drill bit and a solid concrete or masonry substrate are required for proper expansion.

Will the 1-1/2" Zamac alloy anchor hold securely in older, crumbling brick or soft mortar?

Holding power depends on substrate integrity; soft or deteriorated masonry may not provide reliable expansion grip.

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