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Nut And Bolt Face Washers Are Not Required With Turnasure DTIs (246KB)

Squirt Type DTI performance results (2205KB)

Preload Measurement and Comparison of Structural Bolts sets installed in Steel Connections with and without Direct Tension Indicators (861KB)

Tests for stress relaxation over time 1963 to 1971(43KB)

Fatigue tests on DTIs (88KB)

Load Indicating Washers-load/gap relationship on unloading and loading (56KB)

DTI Case History- DTIs Save More the $150,000 (2.8MB)

Study discussing influence of load-indicating washers on bolt relaxation in joints subject to high prying forces (286KB)

Study on full flattening of Direct Tension Indicators in Shear Connections (1MB)

Study on curved protrusion DTIs design assembled without needing nut face or bolt face washers (5.3MB)

Impact of Variable Lubricity on Type 325 Structural DTIs (4.2MB)

Test Report for Accelerated Aging of Weathering Steel Joint using TurnaSure Weathering Steel 7/8" -3 type 325 DTIs (4.9MB)

New Generation Direct Tension Indicators (2.8MB)