The SR Series stopper provides compact pressure and temperature-resistant sealing of threaded assemblies. Unique concentric ridge design increases surface contact, providing tactile operator feedback to indicate full plug seating. The resulting snug fit resists dislodgement while maintaining full functionality when exposed to lubricants or coolants.
Material: Polypropylene (PP)
Temperature Resistance: 121°C / 250°F
*A number of different materials are available.