説明

• Model Note:1. The first two digits of the code: the variety of external teeth of the gear2. Code 3 and 4 digits: number of inside teeth of the gear3. The 5th digit of the code: the bore size of the gear4. English of coding: A: tight becoming B: unfastened fitting2A: It means that the central axis is 1.95mm, which is heavily matched with the 2mm optical axis and rotates with the optical axis.2B: It suggests that the central axis is 2.05mm, which is loosely matched with the 2mm optical axis and rotates freely on the optical axis.For example: 16,102B: external tooth=16 teeth, inner tooth=10 teeth, gap diameter=2mm, free axle.Gear diameter: (16+2) x 0.5 (mm)=9mm, tools outer diameter is 9mmCalculation formulation of drugs diameter: (number of teeth+2) x 0.5 (mm)Product Description:Name: Plastic Shaft Double Layer GearsModel: 0.5MMaterial: PlasticUsed:Do DIY science and small production, product design, mechanical model.Remarks: If you've got particular needs, please touch us, we will customize per your needs!The data is measured manually, for reference only, please talk to the genuine object!Package Include:According in your Choose!

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