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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: 64 Shape: S2K Standard circle diameter (mm): 256 Tooth width (m m): 40 Hole diameter (mm): 35 Module: 4 Tooth tip circle diameter: 264 Total length (mm): 56 Key groove b2 x t2 (mm): 10 x 3.3 Boss diameter (mm): 110 Boss length (mm): 16 Hole diameter tolerance: H7牙齿表面饰面:切割水龙头:M8
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