Size:L25mm x D20mm/0.98inch x 0.79inch( L*D), Motor end hole 5mm / 0.19inch, screw end hole diameter 8mm / 0.31inch, Material: Aluminum alloy

Compatible with 3D Printer LK5PRO, LK4PRO, LK4, LK1, U20, Orange10, Orange30, Orange4K, Ender3 series.
Super torque can absorb vibration, appropriate for large torque transmission. High hardness, Durable, and excellent response, not easy to loosen

The flexibility of the coupling shaft removes stress between the motor and driving components

The shaft couplers are mainly used for CNC machines, servo motors, spindle, step motors, etc.

1. We ONLY accept PayPal payment.
Credit or debit card through PayPal
2.Please accomplish payment within 5 biz days after you won the bidding/item,or the Unpaid Item Case will be opened automatically.
 
* Shipped from USA:
1. All orders will be handled within 1-2 biz days,weekends or public holidays won't arrange any shipment.
2. Most parcels will be delivered 3-7 working days,if not received as purposed,pls contact us for more info.
 
* Shipped from China:
1.  Orders will be handled within 2-3 biz days.
2.  Estimated 7-19 biz days to delivery.
1. We offer 30-day return.
2. Before returning,pls make sure it has full original packages such the product and accessories,then ask our custom service to send you return label.
3. Buyers afford for the shipping fees to return products for exchange or refund. And we will be responsible for the postage of replacements.
* Longer 3D was founded in June 2014 by Chinese National Distinguished Experts and the scientist team from MIT.
* Longer 3D is also a National High-Tech Enterprise in China. Longer 3D focused on the study of 3D printing technologies, dedicated to providing comprehensive 3D printing solutions for global users.
* We have own independent R&D center, and applied for patents up to 50 and got 28 authorized patents, including 21 utility models patents, 5 appearance patents and 2 invention patents. At present, Longer 3D has 3 main product categories including consumer 3D printers, industrial 3D printers, and 3D printing materials. With the strict production and quality management system, the whole product series has been authenticated by CE, FCC, and RoHS.
1. We believe any problems can be solved by nice communication,so any questions/ideas/concerning,please feel free to contact us by eBay message.
2. Our working time: 8:30AM-18:00PM(Monday - Friday).