Sliding door hanging pulley/ door & window rolle

Roller model: 624zz upper wheels Roller size: 4*18*8 mm Bearing type: non-standard bearing Roller colour: nature black Groove type: circle Bearing material:carbon steel, chrome, stainless steel, iron, copper, ect. Product features: 1. Hexagon socket 2. Bolt, nut (plated zinc) 3. Low-noise operation 4. Become one with the bearing 5. Excellent pom and bearing steel 6. With a high load-bearing capacity 7. Suitable for countless applications: sliding doors, windows, other furnitures Our service: Customer service: Any questions to be sent will get response within 24 hours. Lead time: Sample lead-times: generally 7 workdays. Production lead-times: 35 workdays after getting your deposit. Transit time: For small weight or urgent, goods will be sent by express dhl/fedex/ups/tnt/ems For max production, goods will be shipped by sea/by air. According to client¡¡¡ê¡ès requirements. After-sales service: Before shipment , products will be strictly inspection on our factory qc process system.Just in case, There is abnormal.Please contact us at first time, customer complaint handling procedure will be boot At once.Implementation of the scheme will be come out within 48 hours.We will negotiate with Customer to find a reasonable way to resolve and compensate. 1.Tube->paper box->craft box->carton 2.Poly bag->craft box->carton 3.Up to customer's requirement