"Nord-Lock Bolt Securing System"
Unique 2-part lock washer engineered to withstand the loosening effects of vibration. Carbon or stainless steel, reusable, holds better than locknuts, nylon insert, liquid threadlock.
"Youngli Fasteners Factory"
manufacturer of nuts, bolts and screws with many years experience and our production firmly follows the standard of DIN, ANSI, ISO, JIS, UNC, ISO and BS and can be fulfilled in accordance with the requirements of customers. The nuts are classified into the following grade: 4, 5, 8, 10,12. The fitted bolts are classified into following grade: 22.214.171.124, 6.8, 8.8, 10.9, & 12.9 with a surface treating have oxidized galvanized or impregnated.