4PCS M4 Screws Nuts Heat Bed Leveling Spring Knob Part Components 3D Printers Parts Print Platform Calibration Accessories
D for the diameter of the nut, H for the height of the nut
4pcs - M4 Plastic Nut (D:60mm H:10mm)
4pcs - Spring (D:8mm H:25mm)
4pcs - M4x40mm Screw
PaymentDelivery detailsTerms of salesAbout usContact usPayment1. We ONLY accept PayPal payment.2.Please accomplish payment within 5 biz days after you won the offerding/item,or the Unpaid Item Case will be opened automatically.
Delivery details* 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.Terms of sales1. 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.About us* 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.Contact us1. We believe any problems can be solved by nice communication,so any questions/ideas/concerning,please feel free to contact us by message.2. Our working time: 8:30AM-18:00PM(Monday - Friday).
