BMCU-370C 682A Worm Gear & All Other Gear Sets

This is a precision replacement part for the 682A Worm Gear, commonly found in toy motors, DC gearboxes, and DIY electronic projects.

These small plastic gears often crack or wear out over time. This model is designed with exact dimensions to replace the original white plastic worm gear perfectly.

Technical Specifications:

• Type: 682A Worm Gear (Mating Worm)
• Module: 0.5 M
• Diameter: 6 mm
• Length: 8 mm
• Bore Diameter: 1.95 mm (Designed for a tight press-fit on standard 2mm shafts)
• Teeth/Starts: 1

Printing Recommendations (Important!): Since this is a very small and precise part, standard settings might not work well. Please follow these guidelines:

• Layer Height: 0.08mm or 0.10mm (Do not use 0.20mm, the teeth will not form correctly).
• Brim: Enabled (Required! The contact surface is tiny, it will detach without a brim).
• Speed: Print slowly to allow cooling (Silent mode recommended).
• Material: PETG is recommended for durability.
• Infill: 100%