Comparison : Item # Z-4-6/32-2-BR, Inch Threaded Inserts, 6-32 UNC, 10-32 UNF, 1/4"-20 UNC, 5/16"-18 UNC, 3/8"-16 UNC
Item # Z-5-6/32-2-BR, Inch Threaded Inserts, 6-32 UNC, 10-32 UNF, 1/4"-20 UNC, 5/16"-18 UNC, 3/8"-16 UNC
Item # Z-6-6/32-2-BR, Inch Threaded Inserts, 6-32 UNC, 10-32 UNF, 1/4"-20 UNC, 5/16"-18 UNC, 3/8"-16 UNC
Item # Z-7-6/32-2-BR, Inch Threaded Inserts, 6-32 UNC, 10-32 UNF, 1/4"-20 UNC, 5/16"-18 UNC, 3/8"-16 UNC
Item # Z-8-6/32-2-BR, Inch Threaded Inserts, 6-32 UNC, 10-32 UNF, 1/4"-20 UNC, 5/16"-18 UNC, 3/8"-16 UNC