Question 1

What is a screw-in undercut anchor?

Accepted Answer

It is a concealed mechanical anchor installed from the rear side of a stone or cladding panel. It engages with a prepared undercut hole to form a mechanical fixing point.

Question 2

How does it differ from a hammer-set undercut anchor?

Accepted Answer

A screw-in anchor is set through a specified screw-tightening procedure, while a hammer-set anchor is installed using a setting tool and controlled impact.

Question 3

Is special undercut drilling equipment required?

Accepted Answer

Yes. The drill bit and undercutting tool must produce the specified cylindrical hole and undercut profile. Hole dimensions must match the selected anchor.

Question 4

Is a special installation tool required?

Accepted Answer

Compatible installation tools should be used according to the anchor design and installation procedure. LIKEN can supply matching tools and components for the selected system.

Question 5

How should the anchor size be selected?

Accepted Answer

Selection depends on the panel material, thickness, anchorage depth, remaining panel thickness, anchor position, bracket design and project loads.

Question 6

What panel materials can it be used with?

Accepted Answer

It may be used with suitable stone and cladding panels. Compatibility must be confirmed according to the panel properties, drilling quality and project requirements.

Question 7

What stainless-steel grades are available?

Accepted Answer

SS304 and SS316 versions are available. The grade should be selected according to the environmental exposure, corrosion-resistance requirements and project specifications.

Question 8

Are reference load values available?

Accepted Answer

Yes. Reference values depend on the panel material, anchor specification, installation conditions and test method. Final values should be verified against applicable technical data or project-specific testing.

Question 9

Can customized sizes be supplied?

Accepted Answer

Yes. Custom sizes are available subject to drawing confirmation and LIKEN's technical and manufacturing review.

Question 10

Do you provide samples?

Accepted Answer

Yes. Standard and customized samples are available for evaluation. Availability, quantity, charges and production time depend on the requested specification. Courier or freight costs are borne by the buyer.

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