1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1", UNC, Stainless Steel (A2),Hex Full Nuts

1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1", UNC, Stainless Steel (A2),Hex Full Nuts.
 
Threads Per Inch (TPI)
 
1/4" = 20
5/16" = 18
3/8" = 16
1/2" = 13
5/8" = 11
3/4" = 10
1" = 8