Drill Stem Saver Sub M152 x M133 BOX 6 5/8 REG x BOX 4-1/2 IF
The Drill Stem Saver Sub is made of AISI 4145H,SAE4330 Mod Quenching and tempering steel and follows API specifications.The Kelly saver subs can produce three types: same diameter,reducing,and left-hand thread.The thread can be cold rolled, copper plated or phosphated.
We can supply the Drill Stem Saver Sub or Kelly saver subs as follows:
Drill Stem saver sub
Saver sub M177 x M171 (BOX 7 5/8 REG x BOX 6 5/8 FH)
Standard: API SPEC 5DP, API 7-1
OD =228.6 x 203.2mm, ID =71.44mm L=914.4mm,Material - 4145H
Saver sub M152 x P171 (BOX 6 5/8 REG x PIN 6 5/8 FH)
Standard: API SPEC 5DP, API 7-1
OD=203.2mm, ID=71.44mm,L=914.4mm,Material - 4145H
