... steel,Stainless Steel 304/316,or other steelSize:RD6 - RD42,M6 - M42,1/4 - 1Length:50 - 128 mmThread:Metric,UNC,UNF ... consulation with you according our practical product situation,usually Within 30 -50 days.Payment terms:T/T,L/CQuanlity Assurance:ISO9001Applications ... relationships with overseas customers based on mutual benefits. RD12 - RD42,M6 - M42 Stainless Steel Coupling