Standard DTI dimension table, type 8.8

Permitted DTI dimensions per applicable standards and specifications for reference
Standards: ASTM F959/F959M, ASTM F436/F436M, ASME B18.2.6/18.2.6M

DTI Size/GradeOD min. [mm]OD max. [mm]ID min. [mm]ID max. [mm]Thickness Min. [mm]Thickness Max. [mm]Number of ProtrusionsWeight [kg/pc]
M12 Standard DTI25.730.213.313.42.64.640.017
M16 Standard DTI32.436.816.7516.853.25.540.023
M20 Standard DTI40.44620.9521.053.66.050.029
M22 Standard DTI42.450.623.0523.153.66.050.045
M24 Standard DTI48.455.225.1525.254.07.060.048
M27 Standard DTI54.162.128.328.44.07.060.089
M30 Standard DTI58.169.031.4531.554.07.070.097
M36 Standard DTI70.182.837.7537.854.87.080.116

Standard DTI dimension table, type 10.9

Permitted DTI dimensions per applicable standards and specifications for reference
Standards: ASTM F959/F959M, ASTM F436/F436M, ASME B18.2.6/18.2.6M

DTI Size/GradeOD min. [mm]OD max. [mm]ID min. [mm]ID max. [mm]Thickness Min. [mm]Thickness Max. [mm]Number of ProtrusionsWeight [kg/pc]
M12 Standard DTI25.730.213.313.42.64.640.017
M16 Standard DTI32.436.816.7516.853.26.040.023
M20 Standard DTI40.44620.9521.053.66.050.029
M22 Standard DTI42.450.623.0523.153.67.050.036
M24 Standard DTI48.455.225.1525.254.07.060.048
M27 Standard DTI54.162.128.328.44.07.060.086
M30 Standard DTI58.169.031.4531.554.07.570.097
M36 Standard DTI70.182.837.7537.854.87.580.116
M42 Standard DTI909243.543.74.87.590.160

Notes

  1. Type 8.8 and Type 10.9 are intended for use on ASTM A325M and ASTM A490M bolts, respectively.
  2. Nominal direct tension indicator sizes are intended for use with fasteners of the same nominal diameter.