Laum pas nrig
Extension rods yog tsim los ntawm hollowxyaum hlaus;muaj ob daim duab ntawmextension rods, puag ncig hom thiab hexagonal hom.Lub qhov hollow no feem ntau hu ua lub qhov dej ntws tawm, siv rau kev xa dej lossis cua thaum lub sijhawm drilling.Thiab cov xov yuav siv tau rau kev sib txuas ntawm cov couplings, shanks, couplings lossis cov khoom.
(5)Productivity:20000MT / hli
EG
R25 (1 ")
R28 (1 1/8 ")
R32 (1 1/4 ")
R / T38 (1 1/2 ")
T45 (1 3/4 ")
T51 (2")
T60 (2 3/8 ")
Drill ntsis R / T38
Extension pas nrig T38 - Hex.32 hli - T38
Extension pas nrig T38 - Round 38 hli - T38 (Speedrod)
Extension pas nrig R38 - Round 38 mm - R38
Extension pas nrig T38 - Round 38 hli - T38
Extenstion pas nrig T38 - Round 38 hli - T38 (nrog ob txoj xov)
Qhia qws T38 - Round 45 mm - T38 (Speedrod)
coj lub rajT38
Kev sib txuasR/T 38