ANVER Vacuum Cups and Suction Cups Vacuum Cup Fittings – Female-to-Female Connection AdaptersPart Number: HS1032-1032F Vacuum Fitting Part No. Thru Hole Diameter in. (mm) or thread Connection Thread Size Hex Size in. (mm) LHeight Added to Assembly in. (mm) HS1032-1032F 10-32 UNF female 0.16 (4) 0.31 (8) 0.37 (9.5) Material: All-metal, electro-less nickel-plated brass fitting