Direct Tension Indicator Washer

Direct Tension Indicator Washer in Dubai DTI washer in Dubai   The purpose of the direct tension indicators (DTI) is to show that a defined preload is achieved in the bolt. The direct tension indicator can be used alone or with bolt face washers or nut face washers conforming to BS EN 14399-9. In either case it is essential that the direct tension indicators are used as part of an assembly in accordance with BS EN 14399-1.