DIN 7982 C Cross recessed countersunk head tapping screws, Form C

Equivalent Standards

DIN 7982 C

Dimensions for DIN 7982 C Cross recessed countersunk head tapping screws, Form C

Thread size p a dk k r cross recess Type H Type Z Y max
m Penetration depth m Penetration depth
max nominal=max min approx max No. approx min max approx min max Type C Type F
ST 2.2 0.8 0.8 4.3 4 1.3 0.8 1 2.5 1.02 1.32 2.4 1.1 1.35 2 1.6
ST 2.9 1.1 1.1 5.5 5.2 1.7 1.1 1 3 1.4 1.7 2.9 1.48 1.73 2.6 2.1
ST 3.5 1.3 1.3 6.8 6.44 2.1 1.4 2 4.2 1.62 2.12 3.9 1.6 2.06 3.2 2.5
ST 3.9 1.3 1.3 7.5 7.14 2.3 1.5 2 4.6 2.03 2.53 4.1 1.85 2.31 3.5 2.7
ST 4.2 1.4 1.4 8.1 7.74 2.5 1.6 2 4.7 2.11 2.62 4.3 2.05 2.51 3.7 2.8
ST 4.8 1.6 1.6 9.5 9.14 3 1.9 2 5.1 2.59 3.1 4.7 2.64 3.1 4.3 3.2
ST 5.5 1.8 1.8 10.8 10.37 3.4 2.1 3 6.8 2.95 3.53 6.2 2.72 3.18 5 3.6
ST 6.3 1.8 1.8 12.4 11.97 3.8 2.4 3 7.1 3.33 3.91 6.7 3.38 3.84 6 3.6