Shop for Type 6/6 Nylon rods. Nylon type 6/6 is usually produced by melting solid pellets of the polymer and processing them through a thermoplastic extruder. Extrusion is a fast and economical method for making small diameter tube and rod. Have machined into fabricated parts. Nylon comes in many colors. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.