Tigerrig strength steel heat treated ZP175/275/375/495 rotary table master bushing for drilling rig-Zhonghang(avic) Machinery Manufacturing Group Co., Ltd

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Tigerrig strength steel heat treated ZP175/275/375/495 rotary table master bushing for drilling rig

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Features
Specification

Tigerrig strength steel heat treated ZP175/275/375/495 rotary table master bushing for drilling rig

Production Desription:

The company produces 17 1/2 to 37 1/0in various cores and linings, the material is alloy steel castings 2, the size is in accordance with API Spec 7K, there are two types of integrated and partial structure, distribution drive and four-way drive two In the form of API standard drill pipe slips, drill collar slips, bushing slips and roller cores

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Specifications

Kelly bushing	（in）	Kelly bushing	Card holding diameter（in）
MSS	17 1/2	API Bowl 1011	2 3/8-8 5/8
	17 1/2	EXT bowl 1024	2 3/8-8 5/8
	20 1/2	API bowl 1011	2 3/8-8 5/8
	20 1/2	EXT bowl 1024	2 3/8-8 5/8
	27 1/2	API BOWl 1022	2 3/8-8 5/8
		EXT bowl 1025	2 3/8-8 5/8
		Insert bowl 1026	9 5/8-10 3/4
MDSP	17 1/2	EXT NO,3 Taper	2 3/8-8 5/8
MDSP	20 1/2	EXT NO,3 Taper	2 3/8-8 5/8
MSPC	20 1/2	EXT Bowl 1809	9 5/8-10 3/4
		Bowl 1902	11 3/4-13 3/8
		Body only1805	2 3/8-8 5/8
	27 1/2	Bowl 1810(No.3)	9 5/8-10 3/4
		Bowl 1904(No,2)	11 3/4-13 3/8
		Bowl 1903(NO,)	2 3/8-8 5/8
MSP	27 1/2	EXT NO 3 Taper	9 5/8-10 3/4
MPSH	37 1/2	Bowl 6608(NO,3)	11 3/4-13 3/8
		Bowl 6609(No,02)
		Bowl6610(NO,1)11 3/4-13 3/8