DUCKDOG SBR20 Linear Rail Spliced Linear Guide Rail 3000mm 4PCS SBR20 1500mm Fully Supported Linear Rail Shaft Rod+8PCS SBR20UU Block Bearing+4PCS Dowels for CNC Machine and 3D Printer

Tip:The set includes four 1500mm linear guides and 12 sliders. Insert the pins into the holes of the rails and connect the four guides together and you will have one 3000mm linear guide sets.Specifications： Feature: Smooth motionPerformance: Low noiseBearing Blocks: 8 pieces, SBR20UURail Shafts: SBR20-1500 mm (59 ")The linear motion products and technology are widely used for automatic mechanical facilities under common accuracy and designed with load capacity and rigidity higher than other similar products with structure optimization.Bearing blocks are able to resist high temperatures and own long service life.Package Content： 4 x SBR20 1500mm Fully Supported Linear Rail Shafts8 x SBR20UU Sliding Blocks32 x M6*20 screws2 x M6*12 Locking Handle2 x 5mm wrench4 x Dowels

• steel
• COMPLETE LINEAR RAIL : Four 1500mm/59 inch long SBR20 rail shafts, and 8x SBR20UU blocks, 2x 5mm Wrench, 2x M6*12mm Adjustable locking handle, 32 x M6*20mm self-tapping screws, 4x Dowels
• HIGH QUALITY MATERIAL: The linear rail made of good quality steel and aluminum alloy Surface chrome plating to be anti-rust, high hardness and more durable.
• PERFECT SLIDEING SYSTEM: With industrial-grade standard SBR block and a high precision linear bearing inside, the original rail set can be stabilized by rail axle bearing rail and aluminum alloy support.
• EFFORTLESS TO INSTALL: Insert the pins into the holes on the rails and you will have one 3000 mm linear guide sets. Aluminum alloy support rail with pre-drilled holes for ease of mounting. Easy to install, no need for maintenance.