China Professional Custom Made JIS S45 Steel Pulley near me shop

Product Description Custom Made  JIS S45 Steel Pulley,With high bearing capacity, high wear resistance and long service lifeSheave features:1) Material: Q235B, Q345B, 35#, 45#, 60#, SSW-QR1, S45C2) Groove surface quench: HRC45-553) Groove surface quench depth:...