DIN 7973 – 1990 SLOTTED RAISED COUNTERSUNK HEAD TAPPING SCREW SIZE SPECIFICATION

DIN 7973 – 1990 SLOTTED RAISED COUNTERSUNK HEAD TAPPING SCREW SIZE SPECIFICATION

DIN 7973 – 1990 SLOTTED RAISED COUNTERSUNK HEAD TAPPING SCREW SIZE SPECIFICATION

Screw ThreaddST2.2ST2.9ST3.5(ST3.9)ST4.2ST4.8ST5.5ST6.3
PPitch0.81.11.31.31.41.61.81.8
amax0.81.11.31.31.41.61.81.8
dkmax=nominal size4.35.56.87.58.19.510.812.4
min45.26.447.147.749.1410.3711.97
f0.70.91.21.31.41.51.72
k1.31.72.12.32.533.43.8
nNominal Size0.60.8111.21.21.61.6
max0.811.21.21.511.511.911.91
min0.660.861.061.061.261.261.661.66
rmax0.81.11.41.51.61.92.12.4
tmax1.151.51.92.052.252.62.953.45
min0.951.251.551.71.852.152.452.85
ymaxType C22.63.23.53.74.356
Type F1.62.12.52.7