L مسمار دكر ونتايه حرف
1. High wear resistance: made of high quality chromium steel, high precision processing, accurate size. Apply a little oil to improve lubrication.
2. Good sealing: rubber seal on both sides, save oil, effectively protect oil from impurities, smooth rotation, small vibration, durable.
3. High precision: Ensure that they provide smooth and efficient operation even under high loads.