Nr.10-24 UNC A/F: 3/8" x 3.99 - 4.75 ZINC Lock Nuts with Nylon Insert
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.
