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1.Hole sizes range:6" to36" ., 2 Type:string, near bit, 3 forge+Q&T+sprial+API connection+hardfacing - details see: https://www.machineto.com/api-integral-spiral-stabilizer-10317663

Integral Spiral Blade Stabilizer

♦ The Petroleum drilling tools of Zhongzhong's mainly include Drill collars, Spiral drill collars, Non magnetic drill collars, Short drill collars, Drill tool stabilizers, Non magnetic drill tool stabilizers, Integral heavy weight drill pipes, etc.

♦ The details of Integral Spiral Blade Stabilizer as follows,

1. Material: AISI 4145H Mod Alloy steel, Non magnetic steel, etc.

2. Types: Drill String type and Near bit type.

3. Use: It is mainly used to stabilize the drilling tools in the process of drilling hole.

4. Standard: API Spec 7-1 or SY/T5051-91Standard.

5. Inspection&Test: When producing, traceability are maintained from the receipt of raw material to completion of final products, and serial numbers are die-stamped on each workpiece body. During each manufacturing process, inspection and test are performed.

6. Specification:

Bit Size (in)	Working OD (mm)	End OD of body(mm)	ID (mm)	Length (mm)	Thread code on both ends
					Drill string type		Near bit type
					Top	Down	Top	Down
6	152.2	121	51	1200	NC38			3 1/2 REG
6 1/4	158.7
6 1/2	165.1
7 1/2	190.5	159	57	1600	NC46			4 1/2 REG
7 7/8	200
8 3/8	212.7	159 165	71	1600 1800	NC46 NC50
8 1/2	215.2	159 165 178
8 3/4	222.2
9 1/2	241.3	178 197		1600	NC50	NC50	NC50
9 5/8	244.5			1800				6 5/8 REG
9 7/8	250.8
12 1/4	311.2	203 209	76	1800	NC56 6 5/8 REG	NC56 6 5/8 REG	NC56 6 5/8 REG	6 5/8 REG
16	406	229 241.3		2000 2200	NC61 7 5/8 REG	NC61 7 5/8 REG	NC61 7 5/8 REG	NC61 7 5/8 REG
17 1/2	444.5
24	609.6
26	660.4
28	711.2
Note: Stabilizer can be made according to customer’s special requirement.