About Nylon|Generic nylon (polyamide). Usually refers to Nylon 6/6 or Nylon 6. See 6/6 for machining details. Good strength and wear resistance for gears, bushings, and structural plastic parts.
About Plate|Thick flat stock, generally 3/16" and up, used for machined base plates, fixture plates, wear surfaces, and structural fabrication. Heavier grades get milled, drilled, and tapped directly.