China M40 Nut and Bolt High Strength Bolts and Nuts for Mine Mill Liners, Find details about China Bolt, Nut from M40 Nut and Bolt High Strength Bolts and Nuts for Mine Mill Liners
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.
3. The high strength bolts have been properly heat-treated to achieve better mechanical properties.
4. The standard bolt units include one rubber ring,concave washer,spring washer and nut.
Chemical Composition:
Composition (%) | C | Si | Mn | Cr | Ni | Cu |
45 steel | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.25 | ≤0.30 | ≤0.25 |