M30 X 370mm 40Cr Mill Liner Bolts Oval Head Structure

Material Grade: 40Cr;

Quality Level: 12.9, 10.9, 8.8, 6.8, 4.8 Grade

Sizes:M48;

Specification: M48 x 180, M48 x 210, M48 x 330, M48 x 370, M48 x 390,M48 x 600, M48 x 700, M48 x 900, M48 x 1080

Bolt-head Shape: oval head, square head,ellipse head

Production Process:Heat-treated, High Strength

Service Life Guarantee: 12 months under normal working condition

Application: Bolt Units for SAG Mill dia.7.39m

Destination: Export to Russia,Australia,Finland

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.

Specification For Bolt Units & Mill Liner Bolt Units & Bolt Nuts & Spring Washers & Flat Washers(M48 Bolts)