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   The milling tools include washover pipe, milling shoe（PBR milling shoe）, anchor washover spear, etc. All the products possess the advantages of reliable performance, easy operation，etc.
    Features: 1.Two-stages thread connection, high strength.
              2.Two-shoulder pattern sealing, providing high sealing capacity.
              3.Easily and quickly screwed on/off.

Property Parameters
 

O.D.of washover pipe（mm）	114.3（4"）～Φ339.7（13"）
I.D.of washover pipe（mm）	97.18～315.52
Thickness（mm）	8.56～12.57
Min D. of well（mm）	120.65～365.13
Max D. of washing（mm）	88.9～301.62