Gear accuracy: JIS B 1704:1978 Equivalent to grade 4 Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye (no additional part black dye) Module: 2 Number of teeth: 30 Standard circle diameter (mm): 60 Hole diameter (mm): 15 装配距离(mm):50 总长度(mm):29.27 牙齿宽度(mm):12 形状:B3K <扭曲角:35° 牙齿尖端圆形直径(mm):62.42 1 牙齿表面饰面:切割 额外的可工作性:部分不可用 孔直径耐受性:H7 tap:m4 钥匙凹槽:5 x 2.3