... ,Polishing6.Typical Applications:Grease, fuels, LP and Natural gas (available on special order),refrigeration, instrumentation and hydraulic systems. BST fittings generally connect a ... .Skive type fittings10. Hydraulic hose permanent and reusable fittings11.Brass tubing connectors/fittings,also iron alloy,aluminum,etc.,12.Pneumatic/ Hydraulic brass parts/fittings13 ...