AA401

The AA401 Eye Nut is a robust and versatile anchor point designed primarily for applications in concrete and steel structures. It is engineered to withstand fall arrest loads of up to 15 kN in any direction, making it suitable for industrial rope access (abseiling) and fall arrest applications.

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Description
  • Robust Design: Crafted from investment cast 316 stainless steel, the AA401 Eye Nut offers exceptional durability and corrosion resistance.
  • 360° Load Capacity: Capable of supporting a fall arrest load of 15 kN in any direction when used with a suitable personal shock absorber.
  • Complete Traceability: Each unit is manufactured with full traceability to ensure quality and reliability.
  • Material: Investment Cast 316 Stainless Steel
  • Finish: Bead Blast or Electropolished
  • Abseil Capacity: 12 kN
  • Fall Arrest Capacity: 15 kN
  • Dimensions:
    • Height: 50 mm
    • Eye Diameter: 45 mm x 26 mm
  • Weight: 355 g

The AA401 Eye Nut should be installed by trained and certified personnel in accordance with relevant standards such as AS/NZS 4488.2:1997, AS/NZS 1891.4:2009, ISO 22846 (2003), and the manufacturer’s instructions.

Maintenance

The AA401 Eye Nut requires inspection and load testing by a competent person at intervals not exceeding 12 months, as specified in AS 1891.4:2009, AS/NZS 4488.2:1997, and ISO 22846 (2003).

Product Warranty

The AA401 Eye Nut comes with a 10-year warranty from the date of purchase, provided it is correctly installed, used, and maintained in accordance with the manufacturer’s specifications and recommendations.

Tools Required

  • Rotary hammer drill
  • 14 mm masonry drill bit
  • Air pump
  • Cleaning brush

Important Considerations

  • When installing through a waterproofing membrane, apply a full gasket of compatible sealant between the eye nut and the membrane to maintain the integrity of the waterproofing.
  • All chemical and friction anchorages must be proof loaded before their initial use and subsequently on a regular basis to meet the requirements set out in AS/NZS 1891.4:2009 and AS/NZS 4488.2:1997.
    • Proof load the eye to 7.5 kN for fall arrest applications.
    • Proof load the eye to 6 kN for rope access applications.
  • Through bolts must be visually inspected; do not proof load.

Standards Compliance:

The AA401 Eye Nut complies with the Work Health and Safety (WHS) Act 2011 and relevant Codes of Practice, including:

  • AS/NZS 1891.4:2009
  • AS/NZS 4488.2:1997
  • ISO 22846 (2003)
  • AS/NZS 5532:2013

Installation Steps for M12 Chemset in Concrete

  1. Use a Hilti Reo Scan or similar device to detect and avoid drilling into steel reinforcement within the concrete.
  2. Mark the position for the hole to be drilled.
  3. Drill a 14 mm diameter hole to a depth of 110 mm, ensuring the hole is perpendicular (90°) to the surface.
  4. Clean the hole thoroughly three times using compressed air and a cleaning brush.
  5. Insert a Hilti HVU M12 chemical pack into the hole.
  6. Using a rotary hammer with the appropriate setting tool, install a stainless steel M12 rod. Ensure the rod has a 45° angled tip or use Hilti rods suitable for the application.
  7. Allow the chemical anchor to cure as per the manufacturer’s instructions.
  8. Apply a fastener locking agent, such as Loctite 277 or equivalent, to the threads before installing the AA401 Eye Nut. Ensure a minimum of three threads are visible after installation.
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