3/16", 1/4", 5/16", 3/8", 1/2", Stainless Steel, UNF, Studding X 3ft (36").

3/16", 1/4", 5/16", 3/8", 1/2", Stainless Steel, UNF, Studding X 3ft (36").
 
Threads Per Inch (TPI)
 
Diameter                  TPI
 
1/4"                            28
5/16"                          24
3/8"                            24
7/16"                          20
1/2"                            20
5/8"                            18
3/4"                            16
7/8"                            14
 
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