How is the product transported?

Products can be delivered by sea or air, depending on your location and order specifications.

What certifications does the manufacturer hold?

The manufacturer is SGS and ISO certified, with advanced technology and equipment meeting international standards.

What types of rock formations is this bit suitable for?

It is suitable for a wide spectrum of formations, from soft sedimentary layers (clay, mudstone, chalk) to hard and abrasive rocks.

4 1/2'' IADC 535 Roller Sealed Bearing Tricone TCI Drill Head Bit China Supplier

Name: 4 1/2'' IADC 535 Roller Sealed Bearing Tricone TCI Drill Head Bit China Supplier
Brand: Hejian Hengji Bit Manufacture Co., Ltd.
SKU: 2130176832

Hebei, ChinaHejian Hengji Bit Manufacture Co., Ltd.

US$100.00-850.00

1 Piece

Product profile

Customization

Available

Customized

Length

Taper-length

Model NO.

4 1/2

Type

Center Drill Bit

Material

Tungsten Carbide

Usage

Well Drilling

Size

4 1/2

IADC

535

Thread

2 7/8

Color

Blue

MOQ

Application

Well Drilling

Transport Package

Wooden Box

Specification

4 1/2 inch tricone drill head bit

Trademark

Origin

China

HS Code

820719

Production Capacity

2000/M

Key features

TCI Tricone Design: Tungsten carbide inserts provide aggressive cutting for rapid penetration in various rock formations.

High Precision Bearing: Journal bearing with thrust faces and friction-reducing alloy ensures high rotary speed and seizure resistance.

Enhanced Seal System: High-quality HNBR O-ring and silver-plated surfaces improve seal compression and lubricating reliability.

Versatile Applications: Ideal for oil & gas, mining, geothermal, and water well drilling in soft to hard abrasive rocks.

Customizable Options: Size, IADC code, thread, color, and application can be customized to meet specific project needs.

Fast Delivery: In-stock items ship within 1 week; out-of-stock delivery time depends on order quantity.

ISO & SGS Certified: Manufactured with advanced CNC machines and R&D, ensuring international standard quality.

Global Service: 15+ years experience serving 40+ countries in oil, gas, construction, and environmental industries.

Company profile

Years of Export ExperienceImporters and ExportersHigh Repeat Buyers ChoiceSelf-branded

Hejian Hengji Bit Manufacture Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.75hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW, DDP

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory/combined manufacturing entity in Hejian, China, with five production lines, 50 quality control staff, and ISO 9000/ISO 9001 management-system certifications. It demonstrates broad customization and R&D capabilities, including recent new products and ODM services, and reports OEM service for well-known brands. Quality controls include 100% finished-product inspection, raw-material traceability, complaint-handling procedures, and 10 stated quality assurance/control inspectors in one record, although another record states 50 quality control staff. After-sales offerings include installation, training, repair, maintenance, and debugging, but no overseas warehouses, showrooms, agents/branches, or prior offline trade-show participation are reported. Service procedures and records exist, while corrective/preventive-action procedures are not documented. Financial credibility cannot be determined from the provided information because the financial entries only identify...

Supplier typeThe supplier is described as a combined entity and factory, located in Hejian, Cangzhou, China, with manufacturing identified as the industry of associated companies. This supports classification as a direct manufacturing supplier rather than an offshore company.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 management-system certifications. These certifications provide explicit evidence of formal quality-management certification.

After-Sales capabilityThe supplier lists installation, training, repair, maintenance, and debugging services, and has a clear customer-complaint procedure with followed records. However, it reports no overseas warehouse, showroom, agent/branch, or overseas-service country, indicating that the documented service scope is not supported by an overseas physical network.

R&D capabilityThe supplier reports new products within the past year, ODM services, 50 years of total R&D engineer experience, and broad design customization. It does not have an available SDK, but the stated R&D and ODM evidence demonstrates product-development capability.

Production capacityThe supplier operates five production lines, reports an average off-season lead time within 15 workdays and peak-season timing within 15 workdays to one month, and identifies a machining center as a combined facility. It also reports 100% finished-product inspection and 10 qualified service-capability suppliers, supporting established production and service operations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization in both R&D and design-service records. This is direct evidence of a broad customization range.

Client casesThe supplier explicitly reports providing OEM services for well-known brands, which is evidence of experience serving recognized-brand customers. No specific brand names, project details, volumes, or performance outcomes are provided, so the depth of these cases cannot be evaluated.

Product Q&A

Q:What is the IADC code for this tricone bit?

The IADC code for this bit is 537.

Q:What materials are used in the bearing structure?

The bearing structure features a high-precision journal bearing with two thrust faces, ball-locked cones, and friction-reducing alloy inlaid with silver plating.

Q:Can the bit be customized for specific drilling needs?

Yes, HJ Bit offers tailored solutions for unique drilling requirements, including customization of size, IADC code, thread, color, and application.

Q:What packaging options are available?

Standard packaging includes wood boxes. Fumigation trays are available for international shipping, and custom packaging can be provided based on customer requirements.

Q:What is the delivery time for orders?

If in stock, products ship within 1 week. For out-of-stock items, delivery time depends on the order quantity.