Oznaka: NS
DIN 975 (8.8) pocinkovane
6*1000, 8*1000, 10*1000, 12*1000, 14*1000, 16*1000, 18*1000, 20*1000, 22*1000, 24*1000, 27*1000, 30*1000, 36*1000, 33*1000