Table 2 Results of the torque removal tests are shown as mean values and standard deviations in Nmm.
Type of screw | Removal Torque in Nmm | std. dev. ± in Nmm | N |
|---|---|---|---|
PTST | 270.9 | 87.3 | 9 |
TANNEW | 259.9 | 100.1 | 9 |
CCZTC | 246.6 | 96.9 | 9 |
CCTC | 245.6 | 91.1 | 8 |
TANST | 234.0 | 55.8 | 9 |
Steel | 155.8 | 83.6 | 9 |
CC | 130.1 | 45.8 | 7 |