M39 ZINC /8/ Prevailing torque type hexagon nuts with non-metalic insert, thin type DIN 985
Firma Killich s.r.o. It offers lock nuts according to DIN 985. The assortment of lock nuts DIN 985 includes steel nuts, zinc plated, yellow zinc, stainless steel A2, A4, blackened. In the strength of 8.8, 10.9.
