BS 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 BS EN 14399-9:2018, Table 2.

Size
bolt diameter
Internal diameter
d1
External diameter
d2
Thickness
h1
Height over protrusion
h2
Height of protrusions
h3
Protrusion tangential diameter
d3
Protrusion internal diameter
d4
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

Whilst the information is provided in good faith, Andrews Fasteners Ltd are not under any responsibility or liability in respect of errors or information that was found to be incorrect or for any reliance the user may place on it.

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