Gear accuracy: JIS B 1702-1 N8 grade equivalent Tooth profile: Ordinary teeth Pressure angle: 20° Material: S45C Heat treatment: None Tooth surface hardness: (194HB or less) Surface treatment: Black dye (The fastening parts and additional working parts are not blackened. ) Number of teeth: 100 Shape: S5M 标准圆直径(mm):200 牙齿宽度(mm):20 孔直径(mm):25 模块:2 尖端圆形直径:204 总长度(mm):34 牙齿表面效果:牙齿表面:切皮 牙齿表面:cuck eath but 螺栓尺寸:mm5 x 18