UNC & UNF NYLOC NUTS ZINC PLATED
UNC & UNF nyloc nuts.
Nylon insert creates a locking action to help prevent loosening.
Available thread sizes & teeth per inch;
1/4UNF - 28tpi.
1/4UNC - 20tpi.
5/16UNF - 24tpi.
5/16UNC - 18tpi.
3/8UNF - 24tpi.
3/8UNF - 16tpi.
7/16UNC - 20tpi.
7/16UNC - 14tpi.
1/2UNF - 20tpi
1/2UNC - 13tpi.