Specification Brand : SUOFEILAIMU-PHONE CASE BulletPoint1 : 6 Teeths Gears BulletPoint2 : Module: 0.4M; Number of teeth: 6 teeth BulletPoint3 : Inner hole: 0.98mm (1mm motor shaft tightly matched) BulletPoint4 : Total thickness: 3 mm BulletPoint5 : Maximum outer diameter: 3.2 mm; Material: brass Color : 6 Teeth ExternallyAssignedProductIdentifier : 9406089187983 ItemName : SUOFEILAIMU-PHONE CASE Industry 0.4M 6T 0.98mm Brass Pinions 1MM Copper Gears (Hole Diameter : 0.98mm, Number of Teeth : 6 Teeth) ItemPackageQuantity : 1 ItemTypeKeyword : rack-and-pinion-gears Manufacturer : SUOFEILAIMU-US Material : Metal NumberOfItems : 1 PartNumber : SUOFEILAIMU-123 ProductDescription : Small module gear is used for toy accessories, for mini cars, for remote control aircraft etc. How to calculate the calculation of gear? (for reference only) Gear module M = outer diameter ÷(number of teeth +2) Outside diameter = Gear module ×(number of teeth +2) ProductSiteLaunchDate : 2022-01-05T08:07:25.797Z Size : 0.98mm UnitCount : 1 UnspscCode : 52140000