What is the warranty or quality guarantee?

We perform 100% inspection on finished products, including visual and functional checks.

What are the main applications for these drill bits?

They are suitable for well drilling, mining, and various ground conditions ranging from loose soil to hard rock.

Where is the nearest shipping port?

The nearest port is Ningbo Port.

API Rotary Roller Cone Bits IADC637 9 7/8 (250.8mm) for Hard Rock Well Drilling

Name: API Rotary Roller Cone Bits IADC637 9 7/8 (250.8mm) for Hard Rock Well Drilling
Brand: Ningbo Yinzhou Ternal Machinery Co., Ltd.
SKU: 1971994131

Zhejiang, ChinaNingbo Yinzhou Ternal Machinery Co., Ltd.

US$3.00

100 Pieces

Product profile

Customization

Available

Customized

Non-Customized

Standard

DIN

Model NO.

IADC637 9 7/8

Length

Taper-length

Type

Core Drill Bit

Material

Diamond

Usage

Well Drilling

Transport Package

Specification

IACD

Trademark

TERNAL

Origin

Ningbo, China

HS Code

84314320

Production Capacity

1000000PCS/Year

Key features

Wide Diameter Range: Available in diameters from 42mm to 280mm across multiple bit types like EX, ESF, and EW.

CE Certified Quality: Products hold CE certification ensuring compliance with international safety standards.

100% Product Inspection: Every finished product undergoes strict visual and functional inspection before shipment.

Flexible OEM/ODM Service: Supports customization from samples with available OEM and ODM services for specific needs.

Fast Off-Season Delivery: Average lead time is within 15 workdays during off-season for quicker project completion.

Diverse Bit Types: Offers various types including Tungsten Carbide, Hemispherical Button, and Tri-blade bits.

Established Manufacturer: Manufacturer with 7 years of export experience and 12 employees specializing in drilling tools.

Company profile

Importers and ExportersExhibition ExperienceFast DeliveryQuality Assurance

Ningbo Yinzhou Ternal Machinery Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 7 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.99h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering R&D, 3D design, ODM, OEM, and sample-based customization. It has documented procedures for corrective actions, complaint handling, supplier assessment, and finished-product inspection, with quality assurance stated. Manufacturing resources include multiple specialized facilities and one production line, while manufacturing contracts with associated subcontractors and an outsourcing SOP are in place. The supplier has no inventory, overseas warehouse, overseas showroom, overseas agents, or branches, and reports zero countries with overseas services. CE certification is stated, and export sales represent 71%–90% of total sales. Financial-related records are identified for 2021–2023, but no substantive financial performance details are provided. Evidence of customer cases includes OEM service for well-known brands and participation in Bauma China 2018.

Supplier typeThe supplier is explicitly described as a professional technical supplier and provides R&D, ODM, and OEM services. It also has manufacturing contracts with associated subcontractors, but no overseas agents, branches, warehouses, or showrooms.

CertificationsCE certification is explicitly reported both for product compliance and sustainable development/product certification capability. No other certification is identified in the provided information.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaint handling. However, it has no overseas agents or branches, and the information does not establish the scope or effectiveness of post-sale support beyond these procedures.

R&D capabilityThe supplier reports professional technical R&D capability, 3D software design services, a new product within the past year, and ODM services. It does not have an available SDK, which limits the evidence for software or platform integration capability.

Production capacityProduction support includes multiple specialized facilities, one production line, valid manufacturing contracts with associated subcontractors, and an outsourcing SOP. Peak-season order fulfillment is stated as one month, but the supplier lacks inventory capacity and does not continuously reconcile quantities for every batch or volume production.

Customization capabilityCustomization from samples is explicitly offered, supported by R&D capability and 3D software design services. ODM capability is also stated, indicating support for customer-specific product development.

Client casesThe supplier reports OEM service for well-known brands and participation in the offline Bauma China 2018 trade show. These are explicit customer or market-exposure references, although no brand names, project details, or performance outcomes are provided.