Material: 45# Carbon Steel
Surface Treatment: Chromed
Chromed thickness: 0.02-0.03mm
Surface finish: 0.3-0.5
Straightness: 0.15/1000mm
Roundness: 《0.01
Diameter: 4/5/6/7/8/10/12/13/14/15/16/17/18/20/22/24/25/28/30/32/35/40/45/50 mm
Length: 100/150/200/250/300/400/500/600/700/800/900/1000 mm
Purpose: Can Be Used As Linear Rail, Often Used In CNC Milling 3D Printers
Note: This Steel Round Bar Has Not Been Quenched And Hardened, Which Is Convenient For Later Processing!