1 module POM gears Plastic gears, 1. Material: stainless steel, C45,POM 2.Production and processing non-standard gear Product name:1 module small POM gears Plastic gears,1. Material: Alloy Steel, Carbon Steel, Stainless Steel, Hardended & Tempered Steel, Cast Iron, Aluminum, Copper, Brass and so on2. Heat Treatment: Hardening and Tempering, High Frequency Quenching, Carburizing Quenching and so ...