Click here to view a printable
version of all Frequently Asked Questions

Or 

select a specific question
from the list below:

  1. Who developed the Disc-Lock Washer?

  1. Where are Disc-Lock Washers manufactured?

  1. How does the Disc-Lock Washer work?

  1. What are the chances of a fastener loosening if Disc-Lock Washers are fitted?

  1. Can Disc-Lock Washers be used under the head of cap screws in blind hole applications?

  1. Can Disc-Lock Washers be re-used?

  1. Does a fastener fitted with a Disc-Lock Washer require a different torque setting from conventional washers?

  1. In what sizes is the Disc-Lock Washer available?

  1. From what material is the Disc-Lock Washer made?

  1. Does the Disc-Lock Washer have a special coating?

  1. Are Disc-Lock Washers susceptible to hydrogen embrittlement?

  1. Is the Disc-Lock Washer corrosion resistant?

  1. Are Disc-Lock Washers heat-treated?

  1. What is the maximum temperature in which Disc-Lock Washers can be used?

  1. Is the heat treat hardness of Disc-Lock Washers checked?

  1. Are lot numbers for checking on quality control maintained?

  1. Will the Disc-Lock Washer save maintenance time?

  1. In which type of applications have Disc-Lock Washers performed successfully?

  1. How is the Disc-Lock Washer fitted?

  1. Do you need a torque wrench when fitting Disc-Lock Washers?

  1. Can an air gun be used when fitting Disc-Lock Washers?

  1. Can an air gun be used when removing Disc-Lock Washers?

  1. Is the Disc-Lock Washer patented world-wide?