Material : AlmuniumMethod : Gravity CastingSurface Finish : T6 Heat TreatmentHandle : Brass & Stainless SteelGasket : NBRSafety pin : SteelThread : ISO228(BSP)ISO7(BSPT)ANSI B1.20(NPT)Standard : MIL A-A-59326 EN14420-7(DIN 2828)Test pressure: 1.6 MPa and the device is check the leakage of the cam lock coupling productThreads of our racores camlock en aluminio: NPT BSP (We usually make the female thread parallel BSPP, male thread tapered BSPT