Shop for PBT rods. Strong, stiff engineering plastic with excellent machining characteristics, chemical resistance, and bearing and wear properties. Unlubricated (Hydex® 4101) and lubricated (Hydex® 4101L) grades are FDA compliant. Standard sizes available. Have machined into fabricated parts. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.