Specification AgeRangeDescription : adult Brand : BQLZR BulletPoint1 : Suitable for ordinary machine tools, 3D printing, etc. BulletPoint2 : The product is made of stainless steel screw rod and brass nut. It has compact structure, large load-bearing capacity, wear resistance and durability, not easy to deform, and long use time. BulletPoint3 : Trapezoidal thread, lead: 2mm (the nut moves 2mm in one turn). BulletPoint4 : Brass nut: With 4 holes, the hole spacing is 12mm, which is convenient for fixing to the machine. BulletPoint5 : The screw rod is straight and has low friction, which helps the nut move smoothly on the screw rod, helps the screw rod work accurately, and helps the printer print more accurately. Color : Gold & Silver ExternallyAssignedProductIdentifier : 7384786333990 IncludedComponents : No ItemName : BQLZR Stainless Steel Lead Screws with T8 Brass Nut 17.72 inch Length 2mm Pack of 8 ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-lead-screws Manufacturer : BQLZR Material : Stainless Steel ModelName : BQLZR Lead Screw ModelNumber : M4240730040 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : M4240730040 ProductDescription : Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3.Suitable for ordinary machine tools, 3D printing, etc. 4.The product is made of stainless steel screw rod and brass nut. It has compact structure, large load-bearing capacity, wear resistance and durability, not easy to deform, and long use time. 5.Trapezoidal thread, lead: 2mm (the nut moves 2mm in one turn). 6.Brass nut: With 4 holes, the hole spacing is 12mm, which is convenient for fixing to the machine. 7.The screw rod is straight and has low friction, which helps the nut move smoothly on the screw rod, helps the screw rod work accurately, and helps the printer print more accurately.