2pcs MGN12H 450mm Black Linear Rail Guide, Linear Guideway with 2pcs MGN12H Linear Bearing Sliding Carriage Block for 3D Printer and CNC Machine(MGN12H Type, 450mm)

MGN9/MGN12 200/250/300/350/400/450/500/550/600/650/700/750/800mm Miniature Linear Rail Slide + MGN9H/MGN12H Carriage for 3D Printer Accessories.Anti-rust Coating:The linear guide rail surface blackening treatment helps prevent rusting in long-term use.Bear Steel Material:The linear bearings made of high quality bearing steel. It is more durable, high accuracy, high hardness, stiffness, smooth running, low noise and non-pollution. Packing list:2 × MGN12 linear guide rail2 × MGN12H carriage block20 x Extra balls4 × Rubber stopper

• Package Includes: 2 x MGN12 450mm linear rails, 2 x MGN12H carriage block, 20 x extra balls for blocks, 4 x rubber stopper for rails.
• Specification: The overall length of the rails are 450mm, the rails are made of bearing steel, and the carriage blocks ball bearings are made of bearing steel, which is more durability, high stiffness stiffness,high accuracy,smooth running, low noise than others.
• Rail Guide Surface Technology: linear guide rails adopt blackening treatment on surface to prevent rusting in long-term use.
• Drop Proof Rubber: There are two rubber stoppers on each side of the linear rail, it can prevent the carriage block from falling out.
• Application : This linear motion rail widely use in CNC parts, 3d printer parts, semiconductor manufacturing equipment, printed circuit boards, IC assembly equipment, equipment, robot arms, and other small linear motion machines, linear motion measurement equipment.