Gear accuracy: JIS B 1702-1 Equivalent to N7 grade Tooth profile: Ordinate teeth Pressure angle: 20° Material: S45C Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye (The fastening parts, teeth and additional working parts are not black染色。 ) 牙齿数量:29 形状:S1MA 标准圆直径(mm):58 牙齿宽度(mm):20孔直径(mm):15模块:15模块:2齿尖端圆形直径:62总长度:62总长度(MM):42.5 BOSS DIMATINA完成:研磨螺栓尺寸:M4 x 15螺栓数:6灌木直径:31.5