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7K Roller Kelly Bushing Used for 171/2" - 49 1/2" Rotary Table
US$185.00-190.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
on LineWarranty
1 YearModel NO.
HDS/HDP/RTM4/RTS4Manufacturing Process
CNC MillingSurface Treatment
Without ProcessingOperation Pressure
VacuumMaterial
NylonTransport Package
Wooden CaseSpecification
2 1/2''-6''Trademark
StrongOrigin
Jiangsu. ChinaHS Code
8431431000Production Capacity
200 Set/Sets Per MonthKey features
Spec 7K Compliance: Designed and manufactured strictly according to Spec 7K standards for rotary tables.
Versatile Drive Options: Available in square drive and pin drive configurations to suit different operational needs.
Three Duty Classifications: Offered in heavy, medium, and light-duty styles for various application intensities.
Wide Size Compatibility: Compatible with rotary tables ranging from 17.5 inches to 49.5 inches.
Fast Stock Delivery: Orders for requested sizes in stock can be handled within 2-3 days.
24-Hour Response Support: Sales team responds to inquiries within 24 hours, excluding holidays.
Free Quality Replacement: Free replacement provided if failure is confirmed to be caused by product quality.
Rigorous Quality Control: Strict inspection and testing conducted for every order before shipping.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2018-07-03Nearest Port: ShanghaiAverage Response Time: ≤6.09hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP, CPT, FCA
AI-Powered supplier vetting
SummaryNantong Strong Petroleum Technology Co., Ltd. is identified as a China-based manufacturer/factory producing oilfield drilling, production, OCTG, wellhead, downhole equipment and spare parts. The supplier reports 10 production lines, 11–20 R&D engineers, 11–20 quality-control staff, and lead times of within 15 workdays off-peak and one month during peak season. Its stated export markets cover multiple regions, with exports representing 51%–70% of total sales. The supplier reports ISO 9000, ISO 9001, ISO 14001 and ISO 14000 certifications and states that its products have been exported to several countries and supplied to national petroleum companies. Trade records show shipments involving the US and India, but the available transaction evidence is limited. The provided information does not sufficiently establish after-sales service, financial credibility, innovation outcomes, customization capability, or broader customer performance.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and describes itself as a professional supplier of oilfield equipment, including drilling, production, OCTG, wellhead, downhole tools and spare parts. This supports classification as a manufacturing supplier rather than only a trading intermediary.
CertificationsThe supplier reports ISO 9000, ISO 9001, ISO 14001 and ISO 14000 management-system certifications, and its company description states that it has API certification. These are explicit certification claims relevant to quality and environmental management and oilfield equipment supply.
Production capacityThe supplier reports 10 production lines, 11–20 quality-control staff, lead times within 15 workdays off-peak and one month during peak season, and exports accounting for 51%–70% of sales. These stated operational indicators support an established production and export capability.
Client casesThe supplier states that it has exported to the USA, South America, Africa, Japan and Singapore and has partnered with national petroleum companies. Trade records also associate it with buyers in the US and India, but only a small number of records are provided, so customer experience is supported but not broadly verifiable.
Product Q&A
Q:What are the drive types available?
A:
Roller Kelly Bushings are available in two drive types: square drive and pin drive.
Q:What duty classes are offered?
A:
They are classified into three types based on style: heavy-duty, medium-duty, and light-duty.
Q:What is the standard manufacturing specification?
A:
The product is designed and manufactured according to Spec 7K.
Q:What are the payment methods accepted?
A:
We accept T/T (Telegraphic Transfer), Western Union, or L/C at sight.
Q:How long is the production time?
A:
Normally it takes 20 days for production based on order quantity. If stock is available for your requested size, it takes only 2-3 days.
Send Inquiry
*To:
Nantong Strong Petroleum Technology Co., Ltd.
Nantong Strong Petroleum Technology Co., Ltd.*Content:
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