DIN 7971 Tapping screws, slotted pan head

Equivalent Standards

DIN 7971

Dimensions for DIN 7971 Tapping screws, slotted pan head

Thread p a da dk k n r rf t w y
max max max min max min nominal max min min approx min. min. Type C Type F
ST 2.2 0.8 0.8 2.8 4 3.7 1.3 1.1 0.5 0.7 0.56 0.1 0.6 0.5 0.5 2 1.6
ST 2.9 1.1 1.1 3.5 5.6 5.3 1.8 1.6 0.8 1 0.86 0.1 0.8 0.7 0.7 2.6 2.1
ST 3.5 1.3 1.3 4.1 7 6.6 2.1 1.9 1 1.2 1.06 0.1 1 0.8 0.8 3.2 2.5
ST 4.2 1.4 1.4 4.9 8 7.6 2.4 2.2 1.2 1.51 1.26 0.2 1.2 1 0.9 3.7 2.8
ST 4.8 1.6 1.6 5.5 9.5 9.1 3 2.7 1.2 1.51 1.26 0.2 1.5 1.2 1.2 4.3 3.2
ST 5.5 1.8 1.8 6.3 11 10.6 3.2 2.9 1.6 1.91 1.66 0.25 1.6 1.3 1.3 5 3.6
ST 6.3 1.8 1.8 7.1 12 11.6 3.6 3.3 1.6 1.91 1.66 0.25 1.8 1.4 1.4 6 3.6
ST 8 2.1 2.1 9.2 16 15.6 4.8 4.5 2 2.31 2.06 0.4 2.4 1.9 1.9 7.5 4.2
ST 9.5 2.1 2.1 10.7 20 19.5 6 5.7 2.5 2.81 2.56 0.4 3 2.4 2.4 8 4.2