Product Name: Precision Roller Trapezoidal Standard Thread Open Screw Leadscrew Tr40X7 Model NO.: Nblangchi-066 Grade: 7e Standard: DIN, GB, ISO Head Style: Round Connection: Common Bolt Groove: Trapezoidal Type: Round Head Material: Carbon Steel Start: 1 Surface Treatment: Polish Trademark: Nblangchi Transport Package: Bubble Bag+Carton+Wooden Case or up to You Specification: ISO9001 Origin: Ningbo, Zhejiang, China HS Code: 8483401000 Product Description Special specifications products can be customized according to the customer requestHope you build up a long cooperation relationship with us; we will give you a discount and provide the free sample for your reference. Looking forward to your inquiry.ProductsPrecision CNC machining partsMaterialsIron, aluminum, steel, copper, carbon steel, bronze, solder alloy, or as per the customers' requirements.DimensionsAccording to customer' s drawingSurface treatmentBlacking, polishing, anodize, chrome plating, zinc plating, nickel plating, tinting or other as requirement.PackingBubble Bag, plastic bag, carton, plywood box, or as per the customer' s requirementsStandardSuch as ISO, DIN, GB, ACME and special standard CertificateISO9001: 2008Processing equipmentCNC machine, CNC machining center, CNC cutting machine, radial drill, universal milling machine, high precision surface grinding machine, chamfering machine, etc.QC System100% during production check and random samples before shipment.AvailableOEM, ODMMOQnegotiablePortsNingbo or ShanghaiDeliverySamples 7-15 days, batch production 30 days.