Spur gear with high temperater resistance, dimensional accuracy, long work time, high contact ratio provides smooth operation. Novo's spur gear:1. Modules: 1- 8.2. Max diameter: 1000mm.3.Gear precision: Class 4.4. Material: Steel, Aluminium, Cast Iron, Stainless steel.5. Surface treatment: black, phophate, zinc plated, chromated.Feature:1. High temperater resistance,long work time2. High contact ...