Experience unmatched stability and security with HEICO-LOCK® HLK-Washers, specially designed for high-vibration and dynamic load conditions in steel construction. These washers are meticulously crafted to meet the rigorous standards of DIN EN 14399-4 and DIN EN 14399-8, ensuring compatibility with HV sets. With their unique chamfered design to accommodate the increased under-head radius of HV bolts, they provide optimal surface contact during tightening.
  • Compliant with International Standards: Tailored specifically for securing HV sets as per DIN EN 14399-4 and DIN EN 14399-8, and replace washers according to DIN EN 14399-6.
  • German Certification: Approved and certified as a construction product with a certificate of conformity, and endorsed by the German Institute for Structural Engineering (DIBt), Approval No Z-14.4-702.
  • User-Friendly Installation: Supplied as a pre-assembled pair with a double chamfer to prevent installation errors and ensure ease of use.
  • Durability: Features high corrosion resistance due to a protective zinc flake coating.
  • Size Availability: Available for HV bolt sets from M12 to M36, catering to a wide range of project sizes.
Ideal for ensuring the safety and longevity of structures, HEICO-LOCK® HLK-Washers are your go-to solution for critical applications in steel construction, offering reliability even under the most challenging conditions.
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External Diameter (mm)

Internal Diameter [MM] (mm)

Item #

Material

M

External Diameter

Internal Diameter [MM]

Box Quantity (Pair)

N/A Carbon Steel Carbon Steel N/A 12 12 N/A 24 mm N/A 13.0 mm N/A 200 200
N/A Carbon Steel Carbon Steel N/A 16 12 N/A 30 mm N/A 17.0 mm N/A 100 200
N/A Carbon Steel Carbon Steel N/A 20 12 N/A 37 mm N/A 21.0 mm N/A 100 200
N/A Carbon Steel Carbon Steel N/A 22 12 N/A 39 mm N/A 23.0 mm N/A 50 200
N/A Carbon Steel Carbon Steel N/A 24 12 N/A 44 mm N/A 25.0 mm N/A 50 200
N/A Carbon Steel Carbon Steel N/A 27 12 N/A 50 mm N/A 28.0 mm N/A 25 200
N/A Carbon Steel Carbon Steel N/A 30 12 N/A 56 mm N/A 31.0 mm N/A 25 200
N/A Carbon Steel Carbon Steel N/A 36 12 N/A 66 mm N/A 37.0 mm N/A 25 200
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