Tools / Anchoring Systems
Hilti 100x X-FC 20-25 MX Fastener Installation Guide
Installation guide for the Hilti 100x X-FC 20-25 MX power-actuated fastener. Includes visual instructions for three installation methods (A, B, and C) in concrete for non-structural applications.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
This document provides installation instructions for the Hilti 100x X-FC 20-25 MX power-actuated fastener. This product is designed for non-structural applications in concrete and is intended for positioning purposes only. It carries no load rating.
Installation Methods
The manual outlines three distinct installation methods depending on the equipment and application requirements:
Method A (Tool-based)
This method is designed for use with specific Hilti tools: BX 3-ME-A22, BX 3-ME-22, and BX 4-22-ME. Place the fastener against the concrete surface, align the tool, and actuate to click the fastener into the final position.
Method B (Drilling)
1. Drill a hole into the concrete at a 90-degree angle to the required depth (h0) and diameter (d0).2. Insert the fastener into the drilled hole.3. Click the fastener into the final locked position.
Method C (Drilling)
1. Drill a hole into the concrete at a 90-degree angle to the required depth (h0) and diameter (d0).2. Insert the fastener into the drilled hole.3. Click the fastener into the final locked position.
Important Safety and Usage Notes
- Application: For positioning only.
- Load Rating: No load rating (not for structural support).
- Temperature: Maximum operating temperature is 50°C.
- Rating: Plenum Rating AH-2.
- Compatibility: Ensure the correct tool is used for Method A (BX 3-ME-A22, BX 3-ME-22, BX 4-22-ME).
Manufacturer information
Hilti Corporation
Practical help
Common problems
Structural load support
This fastener is for positioning only and has no load rating. Do not use for structural applications.
Operating temperature exceeded
Ensure the environment does not exceed 50°C.
Before use
- Verify the application is non-structural.
- Ensure the base material is concrete.
- Select the appropriate installation method (A, B, or C) based on your equipment.
- For methods B and C, ensure the drill bit matches the required diameter (d0) and depth (h0).
Specs in practice
- For positioning only
- The fastener is not designed to carry structural loads.
- Plenum Rating AH-2
- Suitable for use in air handling spaces.
- Operating Temp. °C max. 50
- The fastener must not be exposed to temperatures above 50°C.
Images and diagrams
- Method A: Direct fastening using compatible Hilti tools.
- Method B & C: Requires pre-drilling at a 90-degree angle before insertion.
Model compatibility
- Compatible with Hilti tools: BX 3-ME-A22, BX 3-ME-22, and BX 4-22-ME for Method A.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.