Humanization Design: Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it 4Pcs Diameter 8mm chrome linear motion rod shaft steel smooth rod L: 24.8 inch / 630mm We could provide all the customization: any length, threading, and other end processing, you could get some information from pic 2, if you have needs, please message us, thank you Adapting 45 high quality steel, high frequency quenching, surface chromium plating (15um-20um). The case hardness could be reach... - We can process the end of the rail as you need, some examples you can see the image 4 We can customise the linear rail, including the length and finishing. 8mm X 620mm Chrome Steel Shaft Linear Motion Shaft Bar D8 8mm Rod 3D Printer CNC With M4 Precision Round Shaft 8mm The case hardness could be reach to 58-64 HRC., Durable and corrosion-resistant Enhance your 3D printer with Smooth Rod Shaft Rod Optical Axis for improved precision and stability. Available in 8mm diameters and various lengths Adapting 45# high quality steel, Good bending resistance, high frequency quenching, surface chromium plating(15um-20um). 4pcs Diameter 8mm x 620mm chrome linear shaft steel straight smooth sturdy rod bar, Length (0., 31 x 24., 41)
