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Gear accuracy: JIS B 1702-1 Before N8 grade heat treatment Tooth profile: regular teeth Pressure angle: 20° Material: S45C 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) Number of teeth: 42 Shape: S2K Standard circle diameter (mm): 210 Tooth width (m m): 50 Hole diameter (mm): 65 Module: 5 Tooth tip circle diameter: 220 Total length (mm): 71 Key groove b2 x t2 (mm): 18 x 4.4 Boss diameter (mm): 120 Boss length (mm): 21 Hole diameter tolerance: H7牙齿表面饰面:切割水龙头:M12
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