What is the structure type of the bit?

It is a Deep Hole Drilling structure with 3 shafts and artificial controlling mode.

API 8.5in Milled Tooth Tricone Bit/Rock Bit

Name: API 8.5in Milled Tooth Tricone Bit/Rock Bit
Brand: Hejian Hengji Bit Manufacture Co., Ltd.
SKU: 683417811

Hebei, ChinaHejian Hengji Bit Manufacture Co., Ltd.

US$100.00-500.00

1 Piece

Product profile

Customization

Available

Customized

Standard

ISO 9001

Model NO.

8.5in

Length

Taper-length

Type

Core Drill Bit

Material

Tungsten Carbide

Usage

Well Drilling

Number of Shaft

Controlling Mode

Artificial

Structure

Deep Hole Drilling

Precision

High Precision

Condition

New

Wob

0.4-1.0kn/mm

Rpm

120-50

Transport Package

Wooden Case

Specification

ISO

Trademark

hengji

Origin

Hebei Hejian

HS Code

82071990

Production Capacity

1000PCS/Month

Key features

High Precision Drilling: Optimized tungsten carbide teeth and cone height improve cutting property and drilling footage.

Enhanced Durability: Rubber sealed sliding bearings and wear-resistant alloy materials increase load capability and working life.

Shock Resistance: High strength and toughness hard alloy teeth reduce breakage rate and increase shock resistance.

Versatile Application: Suitable for various formations from very soft to hard, including clay, shale, limestone, and sandstone.

Competitive Pricing: Guaranteed high quality products at competitive prices for domestic and overseas markets.

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: ≤2.27hTerms 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.