Set Of Items For Unloader Valve Consisting Of 02 Items As Follows. (I)zinc Coated Hexagonal Head 1/2 Male Dummy With Leak Hole Of Center Dia 8 Mm Size, Total Length: 25 Mm, Hex Length: 10 Mm, Thread Length: 12 Mm, Hex Thickness: 26 Mm. Centre Leak Hole Dia 8 Mm. Material Specification Carbon Steel As Per Astm A108.Gr.1018. Qty/Set. = 01 No. (Ii)male And Female 3/4 Adaptor With 0.8 Mm Leak Hole. Hex Size: 32 Mm, Length: 45 Mm, Female Thread Length: 20 Mm, Male Thread Length: 12 Mm. Mate