... : 1.Type:MK20 9-R1/4,MK20 13-R3/8 2.Mat:Copper H59 3.Shut off 4.Technics:CNC LATHE Shut off quick coupling ... for coolants in plastic injection moulds.Suitable for Water, Grease, Air & Oil.Connectors manufactured from solid Brass Locking rings, springs and ... including high precision mould components such as Date marked pins, Air poppet,Slide retainers,Pipe plugs,Nipple, Mold Coupling ,Latch Lock ...