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HEICO-LOCK® Ring Lock Washers provide high-quality, user-friendly bolt securing for the most demanding of applications and are ideal for repeated use. The ring locking system guarantees that the two wedge lock washers are always fastened in the correct position with the wedge shaped cams on the inside and the radial teeth on the outside. This means that the bolt locking system is always easy, safe and quick to install, even for non-specialist users.

For more information, please see the HEICO-LOCK® Wedge Locking Systems Brochure.

Features:

  • Very easy to install and remove (ring locking system is supplied pre-assembled)
  • Whereas the HEICO-LOCK® Wedge Lock Washers secure the bolted connections reliably, the ring holds the two individual washers together in the correct position permanently
  • Particularly suitable for dynamic loads – including when lubricants are used
  • Also suitable for use with high-tensile bolts of 8.8, 10.9 and 12.9 and their respective nuts
  • Available in steel or stainless steel with a narrow or wide bearing surface
  • Available from M4 – M24 - custom sizes upon request
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External Diameter (mm)

Internal Diameter [MM] (mm)

Material

Item #

External Diameter

Metric

Internal Diameter [MM]

Box Quantity (Pair)

Material

Manufacturer

HLRB-4 N/A 9 mm N/A M4 N/A 4.4 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRS-5 N/A 9 mm N/A M5 N/A 5.4 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRB-5 N/A 10.8 mm N/A M5 N/A 5.4 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRS-6 N/A 10.8 mm N/A M6 N/A 6.5 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRB-6 N/A 13.5 mm N/A M6 N/A 6.5 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRB-1/4“ N/A 13.5 mm N/A N/A 7.2 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRS-8 N/A 13.5 mm N/A M8 N/A 8.6 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRB-8 N/A 16.6 mm N/A M8 N/A 8.6 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRS-10 N/A 16.6 mm N/A M10 N/A 10.7 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRB-10 N/A 19.5 mm N/A M10 N/A 10.7 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRS-12 N/A 19.5 mm N/A M12 N/A 13 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRB-12 N/A 25.4 mm N/A M12 N/A 13 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRS-1/2“ N/A 19.5 mm N/A N/A 13.5 mm N/A 200 N/A Steel N/A HEICO-LOCK®
HLRB-14 N/A 30.7 mm N/A M14 N/A 15.2 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRS-16 N/A 25.4 mm N/A M16 N/A 17 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRB-16 N/A 30.7 mm N/A M16 N/A 17 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRS-3/4“ N/A 30.7 mm N/A N/A 20 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRB-3/4“ N/A 39 mm N/A N/A 20 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRS-20 N/A 30.7 mm N/A M20 N/A 21.7 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRB-20 N/A 39 mm N/A M20 N/A 21.7 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRS-24 N/A 39 mm N/A M24 N/A 25.3 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRS-1“ N/A 39 mm N/A N/A 27.9 mm N/A 100 N/A Steel N/A HEICO-LOCK®
HLRB-4S N/A 9 mm N/A M4 N/A 4.4 mm N/A 200 N/A Stainless Steel N/A HEICO-LOCK®
HLRS-5S N/A 9 mm N/A M5 N/A 5.4 mm N/A 200 N/A Stainless Steel N/A HEICO-LOCK®
HLRB-5S N/A 10.8 mm N/A M5 N/A 5.4 mm N/A 200 N/A Stainless Steel N/A HEICO-LOCK®
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