Number of Teeth: 18 20 36 40 Teeth. Module: 1/1.5 Module. Pitch: 1 Mod (3.14mm), 1.5 Mod(4.71mm). Bore: 6mm - 16mm. Gear Ratio: 1:2. Corrosion resistance. High strength and wear resistance. Material: 304 Stainless Steel.
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