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- ASTM F959 - 07a and F959M - 07 Compressible-Washer-Type Direct Tension Indicators for Use with Structural Fasteners [imperial/metric]
- BS 7644-1 : 1993 Direct tension indicators. Specification for compressible washers
- CEN prEN 14399-9 High-strength structural bolting assemblies for preloading
- Part 9: System HR or HV - Bolt and nut assemblies with direct tension indicators
- ASTM F 2437-06 for Carbon Steel Compressible-Washer-Type Direct Tension Indicators for use with Cap Screws, Bolts, Anchors, and Studs
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TurnaSure manufactures the world's largest variety of Direct Tension Indicator Washers (DTIs). |
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Click picture to watch:-
New design DTI "At work"
(Method #2)
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