What drive types are available for these bushings?

They are classified into two types based on drive method: square drive and pin drive.

What duty classes are offered?

Three types are available based on style: heavy duty, medium duty, and light duty.

What is the warranty period for this product?

The after-sales service and warranty period are both 18 months.

Can I customize the product or order ODM services?

Yes, ODM service is available, and customization from samples or designs is supported.

What is the minimum order quantity (MOQ)?

The Minimum Order Quantity is 1 Set.

What are the payment terms accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

How long is the lead time for production?

The standard lead time is 30 days. During peak season, it may take 1-3 months, while off-season is about one month.

Roller Kelly Bushings Made in China

Zhenjiang Boral Machinery and Equipment Co., Ltd.

11 yrs

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Product Highlights

API 7K Certified: Designed and manufactured strictly according to API Spec 7K standards.
Multiple Drive Options: Available in square drive and pin drive configurations for versatile use.
Three Duty Classes: Offered in heavy, medium, and light-duty styles to match specific needs.
Wide Size Range: Compatible with rotary tables from 17.5 to 49.5 inches in diameter.
Customization Support: ODM service available; customization from samples or designs is supported.
18-Month Warranty: Comprehensive 18-month warranty coverage for after-sales service assurance.
100% Quality Inspection: Every finished product undergoes visual and functional inspection before packing.
Cast Steel Construction: Made from durable cast steel with spray-paint surface treatment for longevity.

Product Attributes

Customization: Available
After-sales Service: 18mths
Warranty: 18mths
Model NO.: HDS
Manufacturing Process: Casting
Surface Treatment: Spray-Paint
Operation Pressure: Atmospheric Pressure
Material: Cast Steel
Standard: API 7K
Lead Time: 30days
Supply: 50sets/Mth
Pkg: Wooden Box
Transport Package: Steel Carton
Specification: standard
Trademark: Rutong
Origin: China
HS Code: 8431431000
Production Capacity: 5000 Pieces Per Year

Roller Kelly Bushings Made in China pictures & photos — Roller Kelly Bushings Made in China

Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China

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Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
Roller Kelly Bushings Made in China
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Product Description

Roller Kelly Bushings

Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy, medium and light-duty. They are used for 17.1/2 to 49.1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.

Model	Type	Drive way	applicable size of kelly(in)
Model	Type	Drive way	Square	Hex
HDS	Heavy duty	Square drive	2¹/₂-6	3-6
27-HDP		Pin drive	2¹/₂-6	3-6
20-HDP		Pin drive	2¹/₂-6	3-6
RTM4	Medium duty	Square drive	2¹/₂-5¹/₄	3-4¹/₄
RTS4	Light duty	Square drive	2¹/₂-4¹/₄	3-4¹/₄

About the Supplier

This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2541051". Items marked "" are certified.

Zhenjiang Boral Machinery and Equipment Co., Ltd.

Company Profile

ZHenjiang Boral Machinery and Equipment Co Ltd was established in 2014 by people with long term technical experience in elevator, escalator and oil and energy equipment field both in China domestic and international market.

We offer our clients solutions for both complete elevator and escalator package with our BORAL brand and most kinds of high quality elevator and escalator spares for other elevator and escalator manufacturer in the world. We design and develop our BORAL elevator with latest and advanced technology of elevator and escalator technology in the world. Our R & D department keeps the same pace with the world technology development of elevator and escalator. Our production factory in China passed ISO 9001: 2008 quality management system and produce elevator and escalator strictly complying with latest version of EN18 standard. We are closely cooperating with our production factory and offer our clients high quality and reliability elevator and escalator under BORAL quality control system. Apart from our high standards of quality assurance, BORAL continues to provide our trademark excellent service, before and after sales for our elevator and escalator.

Besides that, we also have our full set lift modernization product for our agent in the world.

The satisfaction of our client is our permanent target. We would like to establish long-term relations with all our clients in the world on win-win base.

About Our Factory & Business Background

Business Type: Trading Company
Address: Room 1808-1809 Cifi Time Plaza, Zhenjiang, Jiangsu, China
Plant Area: 170 square meters
Number of Employees: 5
Registered Capital: 1,000,000 RMB
Terms of Payment: LC, T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms): FOB, CIF, CFR, EXW
Average Lead Time: Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month
Nearest Port: Shanghai Port
Minimum Order Quantity: 1 Set
Supply Chain Partners: 15

Our Production Capability & Technical Expertise

Main Products: Elevator, Escalator, Bop, Spare Part of Mud Pump, Drill Pipe Elevator, Spare Parts for Drilling Rig
QA/QC inspectors: 1 people
Inspection Type for Finished Products: 100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished Products: Finished product checked by packing staff
Customization Options: Customization from Samples, Customization from Designs
ODM Service Available: Yes
R&D Engineers: 1 people
Traceability of Raw Materials: Yes
Own Brand: Yes

Our Industry Experience & Global Business Record

Year of Establishment: 2014-01-22
Export Year: 11 Years
Main Markets: Europe, Southeast Asia/ Mideast, Africa, Domestic
Repeat Buyers Choice: 80%~100%
Number of Foreign Trading Staff: 3
Overseas Agent/Branch: No
New Products Launched in Last year: Yes

Our Certifications, Standards & Industry Recognition

Product Certification: CE, Others
Cooperated with Fortune 500: No

FAQ

What standards are the Roller Kelly Bushings manufactured to?: They are designed and manufactured according to API Spec 7K.
What drive types are available for these bushings?: They are classified into two types based on drive method: square drive and pin drive.
What duty classes are offered?: Three types are available based on style: heavy duty, medium duty, and light duty.
What is the warranty period for this product?: The after-sales service and warranty period are both 18 months.
Can I customize the product or order ODM services?: Yes, ODM service is available, and customization from samples or designs is supported.
What is the minimum order quantity (MOQ)?: The Minimum Order Quantity is 1 Set.
What are the payment terms accepted?: We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.
How long is the lead time for production?: The standard lead time is 30 days. During peak season, it may take 1-3 months, while off-season is about one month.