Material Grade: 40Cr;

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

Sizes: M20,M24, M27,M30,M36,M42,M45;

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;

Service Life Guarantee: 12 months under normal working condition

Application: Bolt Units for SAG Mill dia.7.39m

Destination: Export to Russia

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.