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The HEICO-LOCK® HLK-Washers deliver high quality anti-vibration security for HV sets according to DIN EN 14399-4 and DIN EN 14399-8.

Even under extremes of vibration or severe dynamic loads in steel construction the HEICO-LOCK® HLK-Washers, which are approved by the German Institute for Structural Engineering (DIBt), provide maximum reliability. Due to the increased under head radius of HV bolts, the HEICO-LOCK® HLK-Washers are chamfered on the internal diameter to ensure optimal surface contact while tightening.

Features:

  • Designed to secure HV sets according to DIN EN 14399-4 and DIN EN 14399-8
  • Replacing washers according to DIN EN 14399-6
  • Approved and certified construction product (certificate of conformity)
  • Approved for use by General Building Supervisory Authority (DIBt) Approval No Z-14.4-702
  • Very easy to install and remove (HLK-washers are supplied as a pre-assembled pair)
  • The double chamfer also ensures that the HEICO-LOCK® HLK-Washers cannot be applied incorrectly, so avoiding operator error
  • High corrosion resistance provided by use of a zinc flake coating
  • Available for HV sets from M12 up to M36
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Internal Diameter [MM] (mm)

External Diameter (mm)

Item #

M

Internal Diameter [MM]

External Diameter

Box Quantity (Pair)

Material

HLK-12 N/A 12 12 N/A 13 mm N/A 24 mm N/A 200 200 N/A Carbon Steel Carbon Steel
HLK-16 N/A 16 12 N/A 17 mm N/A 30 mm N/A 100 200 N/A Carbon Steel Carbon Steel
HLK-20 N/A 20 12 N/A 21 mm N/A 37 mm N/A 100 200 N/A Carbon Steel Carbon Steel
HLK-22 N/A 22 12 N/A 23 mm N/A 39 mm N/A 50 200 N/A Carbon Steel Carbon Steel
HLK-24 N/A 24 12 N/A 25 mm N/A 44 mm N/A 50 200 N/A Carbon Steel Carbon Steel
HLK-27 N/A 27 12 N/A 28 mm N/A 50 mm N/A 25 200 N/A Carbon Steel Carbon Steel
HLK-30 N/A 30 12 N/A 31 mm N/A 56 mm N/A 25 200 N/A Carbon Steel Carbon Steel
HLK-36 N/A 36 12 N/A 37 mm N/A 66 mm N/A 25 200 N/A Carbon Steel Carbon Steel
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