Certification: | API |
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Surface Treatment: | Spray-Paint |
Centralizer Type: | Stop Collar |
Structure: | Slider |
Material: | Carbon Steel |
Type: | Stop Collar |
Customization: |
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Stop Collars (Rings)
Parameters of Slip on Stop Collars (Rings)
Size in |
Material | ID mm |
OD mm |
Height mm |
Screw type and Qty |
4 | 20# | 106±1 | 116±1 | 35±2 | M10x6 |
4 1/2 | 20# | 118±1 | 125±1 | 35±2 | M10x6 |
5 | 20# | 131±1 | 140±1 | 35±2 | M10x6 |
5 1/2 | 20# | 143±1 | 35±2 | M10x6 | |
5 3/4 | 20# | 152±2 | 40±2 | M10x6 | |
6 5/8 | 20# | 171±1.5 | 182±1.5 | 40±2 | |
7 | 20# | 182±2 | 195±2 | 40±2 | M12x8 |
7 5/8 | 20# | 198±2 | 40±2 | M12x8 | |
9 5/8 | 20# | 250±2 | 264±2 | 40±2 | M12x10 |
12 3/4 | 20# | 329±3 | 40±2 | M12x18 | |
13 3/8 | 20# | 345±3 | 40±2 | M12x14 | |
16 3/4 | 20# | 435±3 | 40±2 | M12x20 | |
18 5/8 | 20# | 477±2 | 40±2 | M12x18 |
About Us
Maierda, located in Central China, is a professional supplier of petroleum equipment and tools.
Our factory has more than 15 years' experience in the R&D, production, sales and service of oilfield equipment and machinery.
Our sales team has more than 10 years importing & exporting experiences in the oil & gas industry.
Main Products
We are mainly engaged in oil well equipment and tools including various casing centralizers (solid body centralizer, rigid centralizer, semi-rigid centralizer, bow centralizer, spring centralizer, single piece centralizer, hinged centralizer, non-welded centralizer, welded centralizer, composite centralizer, nylon centralizer, stamped centralizer, positive centralizer, roller centralizer, slip-on centralizer, aluminum centralizer, zinc alloy centralizer), stop collar, sucker rod centralizer, tubing centralizer, drill pipe centralizer, etc.
We also provide some other competitive products in the oil & gas field including float equipment (collar and shoe), cementing plugs, cementing heads, stage collars, cement baskets, hammer unions, polished rod clamps, polished rod, couplings & crossovers for casing, tubing, sucker rod, polished rod, etc.
Our Services
We are committed to providing high-quality and cost-effective products and services to our customers.
We guarantee and uphold the highest standards in customer service, client satisfaction, and quality product delivery in the oilfield industry.
Hope to have a good cooperation with you!
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