What types of rock formations is this bit suitable for?

It is designed for a wide spectrum of formations, from soft sedimentary layers (clay, chalk, salt) to hard and abrasive rocks in oil, gas, geothermal, and water well drilling.

What certifications does the manufacturer hold?

The manufacturer is SGS and ISO certified, utilizing advanced technology and high-precision CNC machines for production.

8.5 Inchs IADC 635 Tricone Rock Roller Cone Drilling Bit

Name: 8.5 Inchs IADC 635 Tricone Rock Roller Cone Drilling Bit
Brand: Hejian Hengji Bit Manufacture Co., Ltd.
SKU: 2130176412

Hebei, ChinaHejian Hengji Bit Manufacture Co., Ltd.

US$350.00-1,450.00

1 Piece

Product profile

Customization

Available

Customized

Length

Taper-length

Model NO.

8.5 inches

Type

Center Drill Bit

Material

Tungsten Carbide

Usage

Well Drilling

Size

8.5''

IADC

635

Thread

4 1/2reg

MOQ

Color

Blue

Application

Oilfield

Transport Package

Wooden Box

Specification

8.5 inchs tricone carbide bit

Trademark

Origin

China

HS Code

820719

Production Capacity

2000/M

Key features

High Penetration Rate: Widened crest inserts and optimized tooth design ensure rapid penetration in various rock formations.

Robust Bearing Structure: High precision journal bearings with friction-reducing alloy and silver-plated surfaces for high rotary speed.

Advanced Seal System: High-quality HNBR O-rings and compensation system enhance seal performance and lubricating reliability.

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

Customization Options: Customized size, IADC code, thread, and color available to meet specific project requirements.

Fast Delivery: Ships within 1 week if in stock; out-of-stock delivery time depends on order quantity.

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

Global Service Experience: 15+ years experience serving 40+ countries with optimized solutions for diverse drilling needs.

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: ≤2.26hTerms 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:How does the bit design improve performance?

The bit features high-quality tungsten carbide inserts with widened crests and an optimized tooth design to enhance penetration rates, wear resistance, and drilling speed.

Q:Can the drilling bit be customized?

Yes, customized solutions are available for size, IADC code, thread type, and color to meet specific drilling requirements.

Q:What are the available packaging options?

Standard packaging includes wood boxes and fumigation trays for international shipping. Custom packaging is also available based on customer needs.

Q:What is the delivery time after ordering?

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

Q:How is the product delivered?

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