#10-32 x 1/2" UNF (Sq. Dr) FLAT M/S
#10-32 x 1/2" UNF F835 FHCS
#10-32 x 1/2" UNF (SLOT) FLAT M/S
#10-32 x 1/2" UNF 18-8ss (SLOT) FLAT M/S
#10-32 x 1/2" UNF 18-8ss FHCS
1/4"-28 x 1/2" UNF F835 FHCS
1/4"-28 x 1/2" UNF F835 FHCS PLTD
5/16"-24 x 1/2" UNF F835 FHCS