Keyed Expansion Mechanical Anchors | M12 Carbon Steel | Fire-Rated IBC Compliant

Installation Guide: Post-Installed Single-Tube Undercut

Anchors

Step 1: Drilling

Drill hole to specified diameter/depth using standard rotary hammer. Vacuum clean debris.

Step 2: Undercutting

Expand base cavity with undercutting drill bit (mandatory for mechanical interlock).

Step 3: Insertion

Insert anchor assembly until flush with substrate surface.

Step 4: Tightening

Tighten nut to 35 Nm torque → Activates cone expansion.

Core Application Areas

1. Structural Connections

Steel-to-Concrete:Steel column base plates (AISC 360) / Bridge bearing assemblies (AASHTO LRFD) / Precast wall connections (PCI Design Handbook)

Seismic Bracing:Hospital equipment anchorage (IBC 1705.3) / Pipe/tray supports in earthquake zones

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