Concrete Masonry Bolts (Not Certified)

Concrete Masonry Bolts (Not Certified) are through‑fixing anchors designed for fastening into
solid concrete, brick and block without the need for separate plugs. Featuring a hardened,
self‑tapping thread, they cut their own mating thread in the base material, providing a fast,
removable fixing for non‑structural applications in masonry substrates.

Important: These masonry bolts are not certified to ETA or other structural
approval standards and must not be used for safety‑critical or load‑bearing structural fixings.
They are intended for general, non‑certified use only.

These non‑certified concrete masonry bolts are typically manufactured from hardened steel with a
specialist thread profile that forms its own internal thread in pre‑drilled holes in solid
masonry. Once installed, the friction and keying of the thread into the substrate provide a
secure fixing suitable for general‑purpose, non‑engineered applications.

Installation is simple: drill the recommended hole diameter and depth, clear out dust, then
drive the bolt directly into the base material through the fixture. Unlike traditional expansion
anchors, there is no plastic plug or separate shield – the bolt itself creates the fixing.

They are commonly used by tradespeople and DIY users for securing brackets, frameworks, rails,
plates and non‑critical equipment into concrete, brick and block, where formal certification and
structural design data are not required.

Typical Use Cases (Non‑Structural)

• Fixing angle brackets, plates and light frameworks to concrete or brickwork.
• Securing handrail brackets, cable trays, trunking supports and conduit saddles (non‑critical).
• Mounting racking uprights, shelving systems and service supports (subject to installer assessment).
• Attaching cleats, clips and light plant or equipment where no structural certification is specified.
• Temporary fixings in concrete and masonry during installation works.

Installation & Usage Tips

• Check application: Do not use for structural, safety‑critical or life‑safety fixings. For those, use certified anchors with design data.
• Use correct drill size: Follow the bolt manufacturer’s recommendation (e.g. 6, 8, 10, 12mm etc. – confirm on packaging).
• Drill to correct depth: Hole depth must exceed embedment length so the bolt does not bottom out.
• Clean the hole: Remove drilling dust with a blower, vacuum or brush to improve thread formation and grip.
• Avoid overtightening: Tighten firmly but do not over‑torque; excessive force can strip the thread in the masonry.

Technical Information (Typical)

Exact specification (sizes, materials, head type and plating) varies by product; always refer to
the individual pack or supplier data. Typical characteristics include:

• Type: Concrete masonry bolt, self‑tapping / concrete screw.
• Substrates: Solid concrete, brick and dense block (not for plasterboard or weak substrates).
• Head style: Commonly hex head or countersunk (verify on specific product).
• Material: Hardened carbon steel.
• Finish: Usually zinc plated or similar for indoor/general use (check corrosion resistance if used externally).
• Hole diameter: Specific to bolt size (e.g. 8mm bolt with 7mm drill, etc. – follow manufacturer guidance).
• Applications: Non‑certified, non‑structural fixings only.
• Certification: Not certified (no ETA or equivalent; no structural design values provided).

For specific hole diameters, embedment depths, torque guidance and recommended substrates, always
check the packaging or supplier’s technical sheet for the exact masonry bolt you are using.

Key Features

• Self‑tapping masonry fixing – no separate plug required.
• Quick and simple installation – ideal for general site and maintenance work.
• Removable & adjustable – unlike many traditional expansion anchors.
• Suitable for concrete, brick and dense block – when installed correctly.
• Non‑certified – for general purpose, non‑engineered fixings only.

Frequently Asked Questions (FAQs)

Common Uses / How to Use

To get the best from Concrete Masonry Bolts (Not Certified):

1. Confirm the application is non‑structural and does not require certified anchors.
2. Select the correct bolt size and corresponding masonry drill bit as stated on the pack.
3. Drill a straight hole to the required depth, then clear out all loose dust.
4. Position the fixture and drive the masonry bolt through it into the hole using a suitable spanner or socket.
5. Tighten until the fixture is secure, avoiding excessive torque that could strip the masonry thread.