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OnBuy.com£14.32Visit shop Forgefix Masonry Anchors, Projecting Bolt, Zyp 5063750441177
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B&Q£15.16Visit shop - Forgefix Masonry AnchorsProjecting BoltZyp Multi Colour (M12 X 30)
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The Forgefix Masonry Anchor Projection Bolt is designed for professional contractors and serious DIY enthusiasts requiring a heavy-duty, reliable fastening solution for masonry, brick, or concrete surfaces. Its primary benefit is the high-strength four-way expansion mechanism that ensures exceptional stability under heavy loads, though it is important to note that these bolts require precise drill depth calibration to ensure proper shield expansion and maximum grip.
| Colour | Yellow |
|---|---|
| Brand | Forgefix |
These anchors are designed primarily for solid materials like concrete and dense stone; they may not provide sufficient grip in hollow brick.
The zinc yellow passivation provides an additional layer of protection against corrosion compared to standard electro-galvanized finishes.
No, you only require a hammer drill for the masonry hole and a standard socket drive or spanner to tighten the nut.
While the projection design makes them easier to remove than flush anchors, it is recommended to inspect the expansion shield for deformation before attempting to reuse them.
The spring keeps the internal components aligned during the installation process, ensuring the anchor expands symmetrically for maximum strength.
The hole diameter is likely too large or the masonry is too soft; use a smaller drill bit or move to a more structurally sound section of the wall.
Check the hole for trapped dust or debris and ensure the bolt is fully inserted to the recommended depth.
Clean the area with a wire brush and apply a protective anti-corrosion clear coat to prevent further oxidation of the passivated finish.
To install, start by drilling a hole into the masonry that matches the diameter of the bolt shield. Clear the hole of all dust and debris using a brush or blower; loose material can prevent the expansion shield from creating a flush, secure seal. Insert the anchor and use the appropriate size spanner or socket to tighten the nut. As you tighten, the internal cone pulls into the shield, causing it to expand. Avoid overtightening, as this can crack weaker masonry types. Periodically inspect the bolts for signs of mechanical looseness if used in high-vibration areas, and check the yellow passivated finish for any scratches that might require a touch-up with anti-corrosive spray.
