What material is used for the kelly bar?

The kelly bar is made from Q345b seamless alloy steel for high wear resistance and torque.

Made-in-China Customized Kelly Bar Strips and Locks for Rotary Drilling

Name: Made-in-China Customized Kelly Bar Strips and Locks for Rotary Drilling
Brand: Xuzhou Hengxing Jinqiao Machinery Technology Co., Ltd.
SKU: 2029936242

Jiangsu, ChinaXuzhou Hengxing Jinqiao Machinery Technology Co., Ltd.

US$30,000.00

1 Set

US$29,000.00

2 Sets

US$28,000.00

3+ Sets

Product profile

Customization

Available

After-sales Service

Free Spare Parts, Online Video Support

Warranty

15 Months

Model NO.

kelly bar

Type

Kelly Bar

Application

Piling Rig

Certification

CE, ISO9001: 2000

Condition

New

Material

Q345b

Service

Customized Service Drilling Spare Parts

Tube Material

Seamless Alloy Steel Drilling Spare Parts

Marketing Type

Ordinary Product

Transport Package

Plastic Film

Specification

0.6*0.6*13.5m

Trademark

EVER STAR

Origin

China

HS Code

8431499000

Production Capacity

1000 Set/1year

Key features

Customizable Dimensions: Supports customization for outer diameter, section, length, and drilling depth to fit specific rig models.

High Performance Material: Made from Q345b seamless alloy steel, offering high wear resistance and high torque.

Quality Certified: Products meet ISO9001:2000 and CE standards with 100% finished product inspection.

Comprehensive Warranty: 15-month warranty period with free spare parts and online video support provided.

OEM/ODM Service: Full customization options available from samples, designs, or minor adjustments.

Fast Lead Time: Average lead time within 15 working days for both peak and off-peak seasons.

Professional Manufacturer: Established in 2008 with 16 R&D engineers and 166 employees for reliable supply.

Company profile

Product Certification100% Finished Products InspectionFast DeliveryHigh Repeat Buyers Choice

Xuzhou Hengxing Jinqiao Machinery Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 years CertifiedNearest Port: Lianyungang Port; Qingdao Port; Shanghai PortAverage Response Time: ≤8.17h

AI-Powered supplier vetting

SummaryThe supplier is a metal-structure manufacturer with six production lines, equipment covering cutting, forming, welding, drilling, and shot blasting, and stated annual output above the provided threshold. It offers broad sample, design, full, minor, and flexible customization, plus OEM and ODM services. Quality processes include ISO9001:2015 certification, CE capability, raw-material traceability, documented finished-product inspection, and complaint-handling procedures. After-sales services include installation, debugging, maintenance, repair, and training, with overseas service explicitly offered in Indonesia, but no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. Financial records are identified for 2021–2023, but no detailed financial evidence is provided. Innovation evidence is limited because no new products were reported in the past year and no SDK is available. Customer-case evidence is limited to OEM service for well-known brands.

Supplier typeThe supplier’s stated scope includes metal structure manufacturing and sales, while its six production lines and related fabrication equipment support classification as a metal-structure manufacturing supplier. Its export markets span South America, Africa, Southeast Asia/Middle East, and Europe.

CertificationsThe supplier states that it holds an ISO9001:2015 certificate and has CE product-certification capability. It also reports quality assurance, raw-material traceability, and documented inspection practices, providing explicit evidence of quality-system and compliance support.

After-Sales capabilityThe supplier offers installation, debugging, maintenance, repair, and training, and has a documented complaint-handling procedure. However, it reports no overseas warehouse, showroom, overseas agent or branch, and no offline trade-show participation; overseas service coverage is explicitly identified only for Indonesia.

Production capacityProduction capability is supported by six lines, a broad set of fabrication machines, stated output above the provided threshold, 50 qualified service-capability suppliers, and lead times within 15 workdays in both peak and off-season periods. Written inspection, supplier-management, and corrective-action procedures further support operational control.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization through both design and R&D services. It also provides OEM and ODM services, indicating broad product adaptation capability.