DTI

  • 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
  • ASTM F 2437-06 for Carbon Steel Compressible-Washer-Type Direct Tension Indicators for use with Cap Screws, Bolts, Anchors, and Studs
  • TurnaSure manufactures the world’s largest variety of Direct Tension Indicator Washers (DTIs).

Size Range:

  • DIA : M12-M40

Finishing:

  • Black (original)
  • Mechanical Zinc Galvanized