DIN EN~14399 9 H.R. or H.V. - Direct tension indicators for bolt and nut structural assemblies by Material, Finish and Size
Direct Tension Indicating Washers, DTI Washers, Squirter Washers, are single use mechanical load cells used to indicate when the required tension has been achieved in structural fastener assemblies. The DTI washer is installed under another washer, either under the head of the bolt or the nut. When the specified tightening torque has been reached, the DTI washer compresses and some colored material squeezes out from under the washer to provide a visal check.
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DIN EN 14399-9 DTI Washers by Metric Sizes
DTI Washers are available on the FCH Network with metric diameters that range from M20 to M30, and with metric lengths that range from 85mm to 95mm.
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DIN EN 14399-9 DTI Washers by Materials
DIN EN 14399-9 DTI Washers are available on the FCH Network in materials that range from Class 10.9 to Class 10.9.
DIN EN 14399-9 DTI Washers by Coatings/Finishes
DIN EN 14399-9 DTI Washers are available on the FCH Network in finishes or coatings that range from Galvanized to Galvanized.