Linear Guide Rail 2pcs HGR20-1700mm Linear Slide Rail with 1pcs RM1605-1700mm Ball Screw with BF12/BK12 Kit Linear Slide Rail Guide Rail Square for DIY CNC Routers Lathes

1700mm HGR20 linear guide rail: This linear guide rail contains 2 pieces HGR20-1700mm linear guide rail, 4 blocks, 1 piece anti-reverse RM1605-1700mm ball screw, 1 piece RM1605 ball nut, 1 piece BF 1 nut/2mm and 8 pieces BF 1 nut/2mm plum coupling.
High-quality steel material: Linear guides are made of carbon steel, linear bearings are made of GCr15 bearing steel. Surface chrome plating treatment beautiful anti-rust, hardness can as high as HRC62, more durable.
Premier Linear Guide System: Motorized guide rail provides high precision linear motion. They are designed to achieve high precision linear motion with low friction coefficient.
Easy to install: Steel support rail with pre-drilled holes for easy mounting. Stainless steel Linear optical axis guide bearings linear motion. Easy to install, no need for maintenance.
Versatile application: The CNC linear rail is widely used in automatic equipment, precision measuring equipment and many other machines that need precision linear motion.