Specification Brand : Surprecision BulletPoint1 : T-type threaded rod diameter: 8mm/0.31inch; Length of the lead screw: 800mm/31.5inch; Pitch: 2mm/0.08inch; Lead: 8mm/0.31inch; Material of nut: Copper; Coupler Type: 19/25mm BulletPoint2 : Material of the lead screw: 304 stainless steel. Not easy to rust; Nut material: pure copper.Wear-resistant,high-temperature resistant,durable and has strong thermal conductivity;Bearing housing material: zinc alloy, high thermal conductivity, fast heat dissipation, high damping characteristics, vibration reduction and noise reduction BulletPoint3 : Fine manufacturing. Clear screw thread. Nut fit tightly. Excellent static and dynamic stiffness. Accurate linear motion. Smooth and smooth sliding BulletPoint4 : Freely customize DIY. You can freely customize the size of each component. Wide of of applications, can be used in 3D printers, stepper motors, CNC machine tools, engraving machines and other equipment. BulletPoint5 : Package includes: 1x T8 800mm lead screw, 1x nut, 1x nut housing, 2x pillow bearing block, 1x coupler, 1x Hexagon wrench Color : T8 ExteriorFinish : Brass ExternallyAssignedProductIdentifier : 9378915690557 ItemName : Surprecision 8mm T8 Lead Screw Set (800mm/31.5" Lead Screw + Copper Nut +Nut Housing + Vertical Pillow Bearing Block + Hexagon Wrench + Coupler), Pitch: 2mm/0.08",Lead: 8mm/0.31" ItemPackageDimensions_Height : 81.28 centimeters ItemPackageDimensions_Length : 5.08 centimeters ItemPackageDimensions_Width : 5.08 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-lead-screws Manufacturer : Surprecision Material : Stainless Steel 304 MetalType : Brass ModelNumber : SP-T8*8/2-800-CU-KP-NST-US NumberOfItems : 1 NumberOfPieces : 1 PartNumber : SP-T8*8/2-800-CU-KP-NST-US ProductDescription : Note: 1. Customized order is accepted; 2. Due to different measuring tools, may exist slightly differences in length, but it won't affect the use; 3. After receive the package, please check the product at first. If there any problem,let us know in time, so that we can provide after-sales services for you.