GPM MG321T/0.8M Precision 40CR Steel 21T Motor Gear  [MG321T/0.8M]

Technical Overview of the 40CR Steel Motor Gear

The GPM MG321T/0.8M 40CR Steel Motor Gear 21T is manufactured to provide consistent gear engagement and extended service life. Its 32 pitch and 0.8mm module ensure accurate meshing, while the 3.175mm motor tooth diameter maintains compatibility with common motor shafts and pinion arrangements. This part is suitable for hobbyists who demand stable power transfer without modifying their stock motor interface.

Technical Highlights

• 40CR steel for enhanced wear resistance and toughness
• 21-tooth geometry balanced for torque delivery and speed retention
• 32 pitch and 0.8mm module for precise gear matching
• Designed to replace worn gears or to support setup tuning