Specification：

 Main Steel Grades: GRB, CK45, ST 52, 1020,4130,4145,27SiMn,STKM 13C,41Cr etc

Standard: Technical Agreements

Precision : H7,H8, H9, H10

O.D: 45-1500mm

I.D: 40-1480mm

Honing Tube widely used in engineering machinery, vehicles, marine vessels, port machinery, oil machinery, mining machinery, irrigation machinery, intelligent control valve and other industries

ID Tolerance Table

Accuracy and size of various processing methods