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): 25 装配距离(mm):50 总长度(mm):29.27 牙齿宽度(mm):12 形状:b3k <扭曲角度:35° 牙齿尖端圆形直径(mm):62.42 1 牙齿表面表面表面:切割 其他可操作性:部分不可用的 孔直径耐受性:H7 tap:m6 钥匙凹槽:8 x 3.3