Mechanical Anchors

Screw Type Undercut Anchor

Expansion anchors for concrete

Screw Type Undercut Anchor
  • Screw Type Undercut Anchor
  • Screw Type Undercut Anchor
  • Screw Type Undercut Anchor

    • Mechanical Anchors

    Screw Type Undercut Anchor

    Expansion anchors for concrete

    Screw type undercut anchor is made from Grade 8.8 alloy steel/stainless steel/titanium alloy (TA2), offering a secure anchoring solution for cracked concrete. The anchor achieves fixation through a controlled expansion and self-cutting mechanism, eliminating concerns of rotation during installation and supporting high shear load demands.

    Applications
    • Heavy-load applications with high shear requirements, such as steel beam and column connections
    • Installation of industrial machinery, structural columns, and equipment in
      Industrial facilities
      Power plants and nuclear stations
      Indoor and outdoor telecom installations
      Steel structural systems
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    Technical Data
    Anchor rod size Effective embedment depth (mm) Hole depth (mm) Hole diameter (mm) Width across flats (mm) Head diameter (mm)
    M8*60-80 60 85 14 13 14.2
    M8*70-90 70 95 14 13 14.2
    M10*60-80 60 85 16 16 17.59
    M10*70-90 70 95 16 16 17.59
    M12*70-90 70 95 18 18 19.85
    M12*80-100 80 105 18 18 19.85
    M12*100-120 100 125 18 18 19.85
    M16*100-125 100 130 22 24 26.17
    M16*130-155 130 160 22 24 26.17
    Features
    • Through-fastening installation, tighten directly to the recommended torque
    • Suitable for use in cracked concrete conditions
    • Locking blades cut into the concrete via expansion force, preventing rotation during tightening
    • Wide clamping range supports variable fixture thicknesses without concern for exposed thread height
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