Drop-in anchor HE-HO | Zinc-plated
Do you need an anchor that provides reliable fastening in hard materials? Drop-in anchor HE-HO FZB Option 7 / Part 6 is made of zinc-plated steel and designed to provide strong and long-lasting anchorage in concrete and solid building materials. The anchor is easily activated by striking, which expands the sleeve and creates a robust and stable fastening. It is a practical and cost-effective solution for both professional installers and do-it-yourself projects.
AREA OF USE
Perfect for fastening steel profiles, brackets, railings, pipe holders, and equipment in concrete, brick, and natural stone. The expanding sleeve design provides a vibration-proof connection and high pull-out capacity without the need for extra fittings. Simple to install with a hammer and a suitable setting tool, and it requires minimal maintenance after installation.
TECHNICAL SPECIFICATIONS
- Product type: Drop-in anchor
- Approval: ETA Option 7 (non-cracked concrete) / Part 6 (multiple fastening of non-structural systems in cracked and non-cracked concrete)
- Quality: FZB (zinc-plated steel)
- Material grade: Not specified
- Thread type: Metric internal thread
- Surface treatment: Zinc-plated blue (FZB)
- Head shape: Cylindrical sleeve with expansion function
- Grip type: Not applicable
FREQUENTLY ASKED QUESTIONS (FAQ)
What is a drop-in anchor (HE-HO) and how does the expansion mechanism work?
A drop-in anchor (also called a setting anchor) is an internally threaded steel anchor for fastenings in concrete:
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Internal thread for flexible bolt length: Because the anchor sits completely flush with the concrete surface, you can use any screw, threaded rod, or bolt with a thread (M6–M16) adapted to the thickness of the object.
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Internal expansion cone: The anchor is activated by driving an internal cone down toward the bottom of the sleeve with a dedicated setting tool/punch. This forces the lower part of the anchor outwards and creates an extremely strong friction grip against the walls of the drill hole.
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Option 7 / Part 6 (ETA approval): Option 7 refers to single fastenings in non-cracked concrete. Part 6 refers to multiple fastenings of non-structural systems (e.g., suspended ceilings, pipe runs, and cable trays) in both cracked and non-cracked concrete.
Why is zinc-plated steel (FZB) suitable for drop-in anchors?
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High hardness and dimensional stability: The steel quality ensures that the sleeve expands evenly without cracking when the internal cone is driven down.
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Corrosion protection for dry environments (C1-C2): The zinc plating (FZB) provides reliable protection against moisture and corrosion in indoor environments, heated premises, basements, and in protected casting structures.
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Flush fastening: Since the anchor does not protrude from the concrete surface, fixtures can easily be removed and reinstalled without damaging the substrate.
How do you install a drop-in anchor correctly for guaranteed load-bearing capacity?
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Drilling and thorough cleaning: Drill a hole with the correct diameter and depth according to the specification. Drop-in anchors require a completely clean drill hole – blow out dust and drilling debris thoroughly with a hole blower/brush.
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Insert and activate with a setting tool: Drive the drop-in anchor down until it is flush with the concrete surface. Insert the correct installation tool (setting punch) into the anchor's thread and strike with a hammer until the tool's collar rests against the anchor. Only then is the internal cone fully expanded.
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Install the screw: Tighten the screw or threaded rod to the specified tightening torque. Ensure the screw is threaded deeply enough into the sleeve for maximum force transmission.