PLASTIC CAPS

  1. Stockcap is the foundation of the Sinclair & Rush Company. We started with a small line of Caps & Plugs and have grown to become the largest...

  2. We specialize in:Tapered Caps and PlugsNon-Threaded Caps and PlugsThreaded Caps and PlugsLarge Caps/Flange ProductsFinishing ProductsSheet Metal...