China High Quality Oil-Drilling Lifting with Pulleys (OD810)
Product Description Lifting with pulleys, With high bearing capacity, high wear resistance and long service life Sheave features: 1) Material: Q235B, Q345B, 35#, 45#, 60#, SSW-QR1, S45C 2) Groove surface quench: HRC45-55 3) Groove surface quench depth: 2mm-2.5mm 4)
2024-04-19