What is the warranty period for the drill bits?

The warranty period is commonly used about one year.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, and Western Union as payment methods.

How long is the lead time for production?

The off-season lead time is within 15 workdays, while the peak season lead time is one month.

Hot Sale Rock Drill Bits Tungsten Carbide Mining Drill Bit

Name: Hot Sale Rock Drill Bits Tungsten Carbide Mining Drill Bit
Brand: Ningbo Yinzhou Ternal Machinery Co., Ltd.
SKU: 2130812595

Zhejiang, ChinaNingbo Yinzhou Ternal Machinery Co., Ltd.

US$1.65

30 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Whole Plan Provider

Warranty

Commonly Used About One Year

Model NO.

alloy steel X and Y shape

Type

Whole Set of Anchor System

Application

Tunnel Boring Machine

Certification

ISO9001: 2000, BV Certificated

Condition

New

Material

High Strength Alloy Steel

Diameter(mm)

42/51//76/90/100/110/115/130/150/160/180/200

Usage

Rock Drilling

Bit Material

Tungsten and Manganse Steel

Transport Package

Carton Box/Plywood Box

Specification

R25/R32/R38/R51/T30/T40/T53/T76/T103

Trademark

TERNAL

Origin

Ningbo, China

Production Capacity

1000000PCS/Year

Key features

Wide Diameter Range: Available in diameters from 42mm to 280mm for various drilling needs.

Custom Material Options: Made from high strength alloy steel, tungsten carbide, or manganese steel.

Multiple Bit Types: Includes EX, EXX, ESF, ESD, ESSF, EW, EC, ECC, EY, and EYY types.

OEM/ODM Service: Supports customization from samples with available OEM and ODM services.

ISO Certified Quality: Manufactured under ISO 10208 Standard with ISO9001:2000 and BV certification.

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

Versatile Application: Suitable for tunnel boring, loose soil, fractured rock, and various ground conditions.

Fast Lead Time: Off-season lead time is within 15 workdays; peak season is one month.

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.

Product Q&A

Q:What are the available diameters for the drill bits?

The drill bits are available in a wide range of diameters, including 42, 51, 76, 90, 100, 110, 115, 130, 150, 160, 180, 200, and up to 280mm depending on the bit type.

Q:What materials are used to make these drill bits?

The drill bits are made from high strength alloy steel, tungsten carbide, or manganese steel, depending on the specific type and application requirements.

Q:Can I customize the drill bits with my own samples?

Yes, we provide OEM and ODM services. Customization is available from samples, allowing you to tailor the product to your specific needs.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 10 pieces.

Q:What certifications does the product have?

The product is certified under ISO9001:2000 and BV. It is also manufactured according to the ISO 10208 Standard.