API Lifting Sub for Drilling Tools

Manufactured from 4145M or 4140HT alloy steel.
All lifting subs are complied with API standard.

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Product Description

Product Parameters

Drill Tool Lifting Sub

The drill tool lifting sub is the special tools for lifting of the drill tools in petroleum,natural gas industry and geologic exploration.Lifting subs are simply screwed to the top of the tool and feature an elevator groove.The drill tool lifting sub is divided into two structure.A type has 18 degree shoulder,another has 90 degree shoulder. A lifting sub enables the safe, effective and efficient handling of straight OD tubular such as drill collars, shock tools, directional equipment jars, and other tools using the drill pipe elevators.The lifting sub can be selected according to elevator's structure.The integral lifting subs are made of high strength alloy steel.All conections are complied with API standard.

Number	Nomi size	I.D.	External thread connection				Lifting end
		(mm)	Thread type	O.D.	Bevelled	Tong space	O.D.	Tong space
			Thread type	O.D.	Bevelled	Tong space	O.D.	Tong space
1	73(2 7/8)	31.8	NC23	79.4	76.2	250	111.1	100
2	73(2 7/8)	38	NC26(2 3/8IF)	88.9	82.9		111.1
3	89(3 1/2)	50.8	NC31(2 7/8IF)	104.8	100.4		127
4		50.8	NC35	120.7	114.7
5		57	NC38(3 1/2IF)	127	121
6	127(5)	71.4	NC44	152.4	144.5		168.3
7		71.4	NC44	158.8	149.2
8		71.4	NC46(4IF)	158.8	150
9				165.1	154.8
10				171.5	159.5
11	127(5)	71.4	NC50(4 1/2IF)	177.8	164.7
12			NC50(4 1/2IF)	184.2	169.5
13			NC56	196.8	185.3	300
14			NC56	203.2	190.1
15		76	6 5/8REG	209.6	195.7
16			NC61	228.6	212.7
17			7 5/8REG	241.3	223.8
18			NC70	247.7(9 3/4)	232.6
19			NC70	254(10)	237.3
20			NC77	279.4(11)	260.7