Lubricated Fishing Bumper Sub is suitable for using in deep hole and middle deep hole.

Lubricated fishing bumper sub

Note: The Lubricated Fishing Bumper Sub is a mechanical down jaring tool whose all moving parts are bathed in closed chamber to enjoy long service life.It is suitable for using in deep hole and middle deep hole.

 

Thechnical specifications and parameters

O.D.(mm)	159	178
I.D.(mm)	57	70
Max.tensile load (tf)	143	153
Work stroke (mm)	460	465
Connection	NC50	NC50
Closed length(mm)	2730	2950

Lubricated fishing bumper subs