... /ASTM,JIS,BS,non standard,etc3)Material:Brass,copper,bronze(H59,H62,H68,etc)4)All ... More than 25 years experience of manufacting copper fitting.10 years export experience5.Experienced technical ... PARAMETER OF PRODUCT1. Product Name: Brass Hex Nut2. Raw Material: Brass,copper,bronze(H59,etc)3. Size: ... 1/4''-1'', also customized.4. Surface: Yellow brass color ...