With over 40,000 different in stock items and growing,
we have the largest & most diversified inventory in the
State of Hawaii.

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DTI Washers

Tension Control Washers

A325 & A490 Direct Tension Indicating Washers are available in both Plain and Mechanical Galvanized.  We can also supply Load Indicating Squirter® Type Washers.


ASTM F959 / F959M - 17 Standard Specification for Compressible-Washer-Type Direct Tension Indicators for Use with Structural Fasteners, Inch and Metric Series