FULLERKREG® ASTM F959 DTI Squirter Washers — Direct Tension Indicators for Structural Steel

FULLERKREG® Direct Tension Indicators (DTI's) are the simplest, easiest to implement, and most cost-effective method for ensuring quality in bolt tightening operations. Compliant with ASTM F959 / F959M, RCSC, AASHTO, and FHWA specifications, FULLERKREG® DTI's use a patented orange silicone compound to provide instant visual confirmation of correct bolt preload — no feeler gage required.

Explore the full FULLERKREG® ASTM F959 DTI Squirter Washer product range: FULLERKREG® ASTM F959 DTI Squirter Washers.