• Also know as a Direct Tension Indicator washer (DTI)
  • The purpose of this washer is to show that a defined preload is achieved in the bolting assembly.
  • Used in high strength friction grip / preloaded bolt assemblies
  • Available in Carbon steel property classes 8.8 and 10.9
  • Plain self colour is the usual finish but others are available
  • No torque requirements are required to confirm installation, only a feeler gauge