JANKI OIL TOOLS : MASTER BUSHING
for more information on master bushing and the spare parts list please visit www.jankioiltools.com/masterbushing.php

MASTER BUSHING: ABMB-3750 SQ model :-

SOLID BODY PIN DRIVE MASTER BUSHING

Extended bowls provide better slip back ups & this back up is made use of in running in heavier tubular strings with out string failure due to bottle necking. JOTMB 2750 PS & JOTMB 2050 PS with appropriate insert bowl in use can hold maximum of 500 tons string load.
JOTMB 2750 PS & 2050 PS
is supplied along with the following :-
1. Bit breaker adapter plate.
2. Insert bowl No. 3 and
3. Lifting sling.
These Master Bushing are provided with locks to secure the bowls into the bushings.
MEDIUM DUTY PIN DRIVE SPLIT MASTER BUSHING

Extended bowls provide better slip back ups & this back up is made use of in running in heavier tubular strings with out string failure due to bottle necking. JOTMB 2750 PS & JOTMB 2050 PS with appropriate insert bowl in use can hold maximum of 500 tons string load.
JOTMB 2750 PS & 2050 PS is supplied along with the following :-
1. Bit breaker adapter plate.
2. Insert bowl No. 3 and
3. Lifting sling.
These Master Bushing are provided with locks to secure the bowls into the bushings.
SOLID BODY SQUARE DRIVE MASTER BUSHING
Master Bushing : JOTMB -2750 SS MODEL

17.½" Through 27.½" JOTMB-2750 SS is used for all drilling operations up to 10000 feet. Square Drive Kelly Bushing JOTMB-2750 SS is used where a large slip back-up area is not needed. With the help of different sizes extended API insert bowls JOTMB-2750 SS can handle tubular of 2.3/8" to 13.3/8" OD. The solid outer body is designed in a way that it supports all transverse load and imparts suitable backing for split insert bowls even when the rotary table is in use for drilling operation.
JOTMB - 2750 SS is supplied along with the following :-
1. Insert bowl No. 3.
2. Lifting Slings.