CNCYEAH HGR20 Linear Guide Set 2 Pieces HGR20-1500 mm Rail + 4 HGH20 Sliding Block for Electrical Devices, Milling, CNC Rounters Slider 3D Printer

HGR20 linear guide rail: this linear rail set contains 2 pieces 1500mm long HGR20 rail shafts and 4 HGH20CA blocks. The sliding block is used in conjunction with the rail and the internal linear bearing provides a smooth glide. HIGH QUALITY STEEL MATERIAL Linear guides are made of carbon steel, linear ball bearings made of GCr15 bearing steel. Surface chrome plating with beautiful rust protection, hardness can be as high as HRC62, more durable. Industry standard HGH block: with high precision linear bearing inside. Standardized workmanship, ideal for positioning the guide rail. Easy to install: linear optical axle guide bearings made of stainless steel, steel support rail with pre-drilled holes for easy installation, no need for maintenance. Wide Application The CNC linear rail is widely used in automatic equipment, precision measuring instruments and many other machines that need precise linear movement.