Integral Spiral Blade Drill String Stabilizer 285-341HB Hardness

Certification:API 7-1
Model Number:Drilling Stabilizer
Minimum Order Quantity:1 pc
Delivery Time:20-30 days
Payment Terms:L/C, T/T, Western Union, MoneyGram
Place of Origin:China
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Product Details

API Integral Spiral Blade Drilling String Stabilizer For Downhole Mud Motor

Description of drilling stabilizer

Stabilizer is one useful tool for drilling operation. We offer a wide variety of near bit stabilizers and string stabilizers according to API SPEC 7-1. All drilling stabilizers are integral style, also can be highly customized as per customer’s requirements.

Integral near bit & string stabilizer are manufactured from one solid bar of AISI 4145H modified steel, usually have 3 blade or 4 blade. Professional heat-treatment process grantees the mechanical strengths meet the requirements of API SPEC7-1. Hardness of 285-341HB can be assured both 1” beneath the outer surface and 4 quadrant across the neck OD.


1. Material: AISI 4145H or AISI 4145H steel, non magnetic tungsten carbide
2. Standard: API, ISO
3. Specification:6"-36"
4. Machine Type: drilling tool
5. Processing type: forging
6. Hard-facing Types: HF1000-HF5000


Optional Stabilizers

We offer several options for IBS, in both alloy steel and non-magnet materials:
● Spiral Integral Blade Stabilizer;
● Straight Integral Blade Stabilizer;
● Non-Magnet Integral Blade Stabilizer;

Specifications of drilling stabilizer

Bit size(in)O.D.(mm)O.D. of body(mm)I.D.(mm)Length (mm)String type connectionsNear bit type connections
TopDownTopDown
6152.2121511200NC38NC38NC383 1/2 REG
6 1/4158.7121511200NC38NC38NC383 1/2 REG
6 1/2165.1121511200NC38NC38NC383 1/2 REG
7 1/2190.5159571600NC46NC46NC464 1/2 REG
7 7/8200159571600NC46NC46NC464 1/2 REG
8 1/2215.2165711800NC50NC50NC464 1/2 REG
9 1/2241.3197711800NC50NC50NC506 5/8 REG
12 1/4311.22037618006 5/8 REG6 5/8 REG6 5/8 REG6 5/8 REG
164062297622007 5/8 REG7 5/8 REG7 5/8 REG7 5/8 REG
17 1/2444.5241.37622007 5/8 REG7 5/8 REG7 5/8 REG7 5/8 REG
24609.6241.37625407 5/8 REG7 5/8 REG7 5/8 REG7 5/8 REG
26660.4241.37625407 5/8 REG7 5/8 REG7 5/8 REG7 5/8 REG
28711.22547625407 5/8 REG7 5/8 REG7 5/8 REG7 5/8 REG

If any needs, pls contact us freely:


Dongying OilMan Machinery Equipment Co.
Address: North Two Road, Dongying City, Shandong Province, China.
Mob/whats app/we chat:+86 13475294399
*Email: christal@oilmancn.com
China Integral Spiral Blade Drill String Stabilizer 285-341HB Hardness supplier

Integral Spiral Blade Drill String Stabilizer 285-341HB Hardness

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