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](http://jankioiltools.com/images/maseter.jpg)
MASTER BUSHING: ABMB-3750 SQ model :-
![Master Bushing](http://jankioiltools.com/images/master11.jpg)
SOLID BODY PIN DRIVE MASTER BUSHING
![SOLID BODY PIN DRIVE MASTER BUSHING](http://jankioiltools.com/images/master13.jpg)
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
![MEDIUM DUTY PIN DRIVE SPLIT MASTER BUSHING](http://jankioiltools.com/images/master16.jpg)
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
![SQUARE DRIVE MASTER BUSHING](http://jankioiltools.com/images/maseter19.jpg)
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.