固定式无牙螺杆特点：1、设计紧凑2、低噪音3、无反向缝隙4、不需要很大的安装空间5、过载保护6、高度密封，防尘，防潮 型号：RS 3-08-4、RS4-08-4、RS 3-10-4、RS4-10-4、RS 4-15-4、RS 4-20-4、RS 4-25-4、RS 4-35-4、RS 4-50-3*、RS 4-60-3*
