EN 14399-9: Dimensions of Direct Tension Indicators washers

DTI washer Dimensions

Direct Tension Indicators Washer – dimensions

Dimensions of compressible washer-type direct tension indicator
According to EN 14399-9:2018, Table 2

SizeInternaldiameter

diameter

External

diameter

ThicknessHeight over

protrusion

 

Height of

protrusions

 

Protrusion

tangential

diameter

Protrusion

internal

diameter

d1d2h1h2h3d3d4
minmaxminmaxminmaxminmaxmin
M1212,7512,8526,032,52,55,50,820,013,85
M1616,7516,8535,036,83,06,00,825,017,85
M2020,9521,0541,046,03,56,50,829,022,05
M2223,0523,1546,550,64,07,00,833,024,15
M2425,1525,2550,055,24,07,00,838,026,25
M2728,3028,4054,062,14,07,00,843,029,40
M3031,4531,5559,069,04,07,00,846,532,55
M3637,7537,8578,083,04,07,50,856,038,85
Dimensions in millimetres
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