M27 x 2 x 180 Bolts for Mine Mill Liners EB406
M27 x 2 x 180 Bolts for Mine Mill Liners . Material Grade: 40Cr; Quality Level: 12.9, 10.9, 8.8, 6.8, 4.8 Grade ... Special Features: 1. The high strength bolts have been widely used in large ball mills up to dia.12-meter mills. 2. The high strength screws can be reliably used in small,middle and large cement mills,coal mils and mine mills ...