Specifications

1.Master bushing is according to API 7K
2.they are MSS,MDSP,MSP,MSPC.
3.suitable to 17-1/2"-37-1/2" rotary tables

MDSP  Master Bushing

 

Our company provide the master bushing and insert bowls with the size from 17¹/2 to 37¹/2 inch.

1.They are cast with high-quality alloy steel and the sizes conform to API Spec 7K.

2.There are two kinds of type. pin drive and square drive. API standard rotary slip, drill collar slip, casing slip or roller Kerlly bushing can be contained in them.

 

Busing Type	Rotary Table Size(in)	Handlin Tubular OD(in)
MSS	17 1/2(18)	2 3/8 8 5/8
	20 1/2
	23
	27 1/2
	17 1/2
	20 1/2
	22
	23
	27 1/2	2 3/8-10 3/4
MSPC	20 1/2
	23
	27 1/2	2 3/8-8 5/2
MDSP	17 1/2
	18
	20 1/2	2 3/8 8 5/2
MSP	23
	27 1/2	2 3/8 8 5/2
MPCH	37 1/2	2 3/8 13 3/2