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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.

Heico-Ringlock
Unit of Measure
1 2 

Item #

Material

Manufacturer

External Diameter

Metric

Internal Diameter [MM]

Box Quantity (Pair)

Quantity
HLRB-4 N/A Steel N/A HEICO-LOCK® N/A 9 mm N/A M4 N/A 4.4 mm N/A 200
HLRS-5 N/A Steel N/A HEICO-LOCK® N/A 9 mm N/A M5 N/A 5.4 mm N/A 200
HLRB-5 N/A Steel N/A HEICO-LOCK® N/A 10.8 mm N/A M5 N/A 5.4 mm N/A 200
HLRS-6 N/A Steel N/A HEICO-LOCK® N/A 10.8 mm N/A M6 N/A 6.5 mm N/A 200
HLRB-6 N/A Steel N/A HEICO-LOCK® N/A 13.5 mm N/A M6 N/A 6.5 mm N/A 200
HLRB-1/4“ N/A Steel N/A HEICO-LOCK® N/A 13.5 mm N/A N/A 7.2 mm N/A 200
HLRS-8 N/A Steel N/A HEICO-LOCK® N/A 13.5 mm N/A M8 N/A 8.6 mm N/A 200
HLRB-8 N/A Steel N/A HEICO-LOCK® N/A 16.6 mm N/A M8 N/A 8.6 mm N/A 200
HLRS-10 N/A Steel N/A HEICO-LOCK® N/A 16.6 mm N/A M10 N/A 10.7 mm N/A 200
HLRB-10 N/A Steel N/A HEICO-LOCK® N/A 19.5 mm N/A M10 N/A 10.7 mm N/A 200
HLRS-12 N/A Steel N/A HEICO-LOCK® N/A 19.5 mm N/A M12 N/A 13.0 mm N/A 200
HLRB-12 N/A Steel N/A HEICO-LOCK® N/A 25.4 mm N/A M12 N/A 13.0 mm N/A 100
HLRS-1/2“ N/A Steel N/A HEICO-LOCK® N/A 19.5 mm N/A N/A 13.5 mm N/A 200
HLRB-14 N/A Steel N/A HEICO-LOCK® N/A 30.7 mm N/A M14 N/A 15.2 mm N/A 100
HLRS-16 N/A Steel N/A HEICO-LOCK® N/A 25.4 mm N/A M16 N/A 17.0 mm N/A 100
HLRB-16 N/A Steel N/A HEICO-LOCK® N/A 30.7 mm N/A M16 N/A 17.0 mm N/A 100
HLRS-3/4“ N/A Steel N/A HEICO-LOCK® N/A 30.7 mm N/A N/A 20.0 mm N/A 100
HLRB-3/4“ N/A Steel N/A HEICO-LOCK® N/A 39 mm N/A N/A 20.0 mm N/A 100
HLRS-20 N/A Steel N/A HEICO-LOCK® N/A 30.7 mm N/A M20 N/A 21.7 mm N/A 100
HLRB-20 N/A Steel N/A HEICO-LOCK® N/A 39 mm N/A M20 N/A 21.7 mm N/A 100
HLRS-24 N/A Steel N/A HEICO-LOCK® N/A 39 mm N/A M24 N/A 25.3 mm N/A 100
HLRS-1“ N/A Steel N/A HEICO-LOCK® N/A 39 mm N/A N/A 27.9 mm N/A 100
HLRB-4S N/A Stainless Steel N/A HEICO-LOCK® N/A 9 mm N/A M4 N/A 4.4 mm N/A 200
HLRS-5S N/A Stainless Steel N/A HEICO-LOCK® N/A 9 mm N/A M5 N/A 5.4 mm N/A 200
HLRB-5S N/A Stainless Steel N/A HEICO-LOCK® N/A 10.8 mm N/A M5 N/A 5.4 mm N/A 200
Unit of Measure
1 2