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Gear accuracy: JIS B 1702-1 Before N9 grade heat treatment Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye (no additional processing or re-black dyeing after quenching) Module: 4 Number of teeth: 26 Standard circle diameter (mm): 147.08 Tooth width (mm): 30 Hole diameter (mm): 32 Total length (mm): 50 Twist direction: L< Shape: S1K Boss diameter (mm): 100 Boss length (mm): 20 Boss tip circle diameter: 155.08 Tooth surface finish: Cutting Gear reference cross section: Right angle Pressure angle (°): 20 Torsion angle (°): 45孔直径公差:H7钥匙槽:10 x 3.3龙头:M8牙齿剖面:普通牙齿
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