Brass Nipple With Check Nut Hexagonal body for easy installation Flared inner surface special fitting for gas application Material:- Free Cutting Brass IS 319 Type I or BS 249 Type I. Any Special Non Ferrous Material Grade. Brass as per RoHS Directive Thread:- ISO Metric (MM Threads) BA, BSW (Inches), UNC, UNF Any as per customize Specification Size:- Apart from standard, We develop customize parts as per technical drawing or other relevent data. Finish:- Natural Nickle Plated Silver Plated Tin Plated As per customer Specification