Gear accuracy: JISB1702-1N8 grade Tooth profile: Ordinary teeth Pressure angle: 20° Heat treatment: None Tooth surface hardness: (194HB or less) Surface treatment: Black Tooth surface finish: Cut Tooth cutting reference surface: Hole (H7) Additional workability: Possible Number of teeth: 80 Shape: S1T Standard circle diameter (mm): φ40 Tooth width (mm): 5 Hole diameter (mm): φ8 Module: 0.5 Tooth length (mm): 12 Boss diameter (mm): φ28 Tooth tip circle diameter (mm): φ41 Boss length (mm): 7 螺丝孔:M5
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