Flush Head Undercut Anchor
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Mechanical Anchors
Expansion anchors for concrete
Flush head undercut anchor is manufactured from Grade 5.8 / 8.8 carbon steel, stainless steel (A2-50, A4-70, A4-80) or titanium alloy (TA2), designed for anchoring in both cracked and non-cracked concrete from C20/25 to C50/60 strength classes. The anchor offers shallow embedment and multiple head configurations for a range of fastening scenarios.
Technical Data
| Anchor rod size | Hole diameter (mm) | Anchor length (mm) | Hole depth (mm) | Installation torque (N.m) | Effective embedment depth (mm) | Min. edge distance (mm) | Min. spacing (mm) | |
| M8×40 | 16 | 50 | 52 | 10 | 40 | 40 | 40 | |
| M10×50 | 18 | 63 | 65 | 20 | 50 | 50 | 50 | |
| M10×60 | 18 | 73 | 75 | 30 | 60 | 60 | 60 | |
| M12×60 | 20 | 75 | 77 | 50 | 60 | 60 | 60 |
Applications
Suitable for both cracked and non-cracked concrete with strength classes ranging from C20/25 to C50/60
- Highway guardrails
- Architectural curtain wall subframes
- Steel plate bonding reinforcement
- Subway, bridge, and tunnel structures
- Steel structure buildings
- Installation of heavy industrial equipment
Features
- Shallow embedment depth suitable for close-edge and narrow-spacing installation
- Self-cutting undercut mechanism, no reaming required
- Available in both internal and external thread options
- Compatible with various fasteners: hex bolts, socket head bolts, countersunk bolts, and hex nuts
- Reliable anchoring without excessive expansion stress
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