What is the warranty period for the drill bits?

We provide a 6 Months warranty for our products.

What is the average lead time for orders?

The average lead time is within 15 workdays for both peak season and off season.

Professional Coal Mine Drill Bits Drilling Machine for Underground Mining Projects

Name: Professional Coal Mine Drill Bits Drilling Machine for Underground Mining Projects
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2167864985

Hunan, ChinaChangsha Fast Drill Engineering Machinery Co., Ltd.

US$35.00

1-9 Pieces

US$34.90

10-99 Pieces

US$34.00

100-999 Pieces

US$33.00

1,000+ Pieces

Product profile

Customization

Available

Type

Core Drill

Usage

Metal Drilling, Well Drilling, Wood Drilling

Machine Type

Drilling Tool

Material

Carbon Steel, Diamond

Diameter

3.85 Inch

Key Words2

Hot Press Diamond Drill Bit

Use

Coal Mining

Manufacturing Process

Forging

Weight

0.8

Video Outgoing-Inspection

Supported

Key Words

Water Well Core Drill Bit

Advantage

Wear Resistant

Applicable Industries

Energy & Mining

Size

75mm

Product Name

Electroplating Drill Bits

Color

Customized

Transport Package

Carton or Wooden Box

Specification

DCDMA, CDDA, ISO

Origin

Changsha, Hunan, China

HS Code

8430691900

Production Capacity

15, 000PCS/Year

Key features

Diamond Compact Inserts: Embedded with diamond compact inserts for extreme wear resistance and cutting ability in hard rock.

Double Tube Design: Concentric tubes store cooling fluid or mud to aid cooling and carry rock debris efficiently.

Hot Pressing Process: Diamond inserts are embedded via hot pressing, ensuring a strong bond between inserts and drill body.

High-Strength Steel Body: Drill body made of high-strength steel to withstand high torque and pressure during drilling.

Optimized Cutting Edge: Cutting edge design optimizes drilling efficiency and extends the service life of the drill bit.

Versatile Strata Application: Suitable for soft to hard strata including red sandstone, conglomerate, sandstone, and shale.

Customizable Options: Offers customization from samples, designs, full customization, and minor customization.

Professional QC Inspection: Strict inspection and testing for every order before shipment by professional QC team.

Company profile

High Repeat Buyers ChoiceCustomization from SamplesODM ServicesFast Delivery

Changsha Fast Drill Engineering Machinery Co., Ltd.

Hunan, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Changsha Port, Shenzhen PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company and limited company, with a business scope covering drilling equipment, drilling rigs, core bits, mechanical equipment, communication technologies, software development, and related services. It demonstrates broad customization options and provides ODM services, but reported no new products in the past year, no 3D software design, no SDK, and no professional technical supplier R&D capability. Service-management controls are weak: no written procedures or records were provided for supplier assessment, corrective actions, or complaint handling. No overseas warehouse, showroom, overseas agent or branch, or offline trade-show participation was reported. Raw-material traceability is unknown. The provided financial records show zero stated operating revenue, operating costs, gross profit, and operating profit for the reported periods; no monetary figures are reproduced here.

After-Sales capabilityThe supplier reported no written procedures or records for effective service-capability assessment, corrective and preventive actions, or customer complaint handling. It also reported no overseas warehouse, showroom, overseas agent or branch, or offline trade-show participation, indicating limited documented after-sales and overseas service infrastructure.

Financial creditThe provided financial-capacity records state zero operating revenue, operating costs, gross profit, and operating profit for the reported periods. These figures provide explicit evidence of no recorded operating activity in the supplied data and do not support strong financial credibility.

R&D capabilityThe supplier reported no new products in the past year, no product-information R&D capability, no professional technical supplier R&D capability, no 3D software design service, and no available SDK. Although ODM service is available, the overall evidence shows limited demonstrated innovation capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization; it also provides ODM services. These statements directly support a broad customization offering, although they do not establish manufacturing execution capacity.

Product Q&A

Q:Are you an original manufacturer or trading company?

We are an integrated corporation specialized in manufacturing and exporting.

Q:What are your main products and their uses?

Our products include diamond core bits, PDC drill bits, reaming shells, core barrels, casing, drill rods, SPT equipment, drill rig and other drilling parts. They are mostly used for mineral exploration, geological drilling, geotechnical engineering, building wells drilling and soil sampling.

Q:Can you supply related drilling tools?

Yes, we can supply full set of drilling tools, such as drill pipe, tricone bit, PDC bit, drag bit, DTH hammer and bit. Moreover, we have drilling equipment like mud pump, air compressor, etc. as well.

Q:What are the payment terms, MOQ, and delivery methods?

1. Payment: T/T, L/C, Western Union, Paypal. 2. Min. order quantity: 1 piece. 3. Transportation: By DHL/TNT/FedEx express, air transportation, sea and train.

Q:How do you ensure the quality of the products?

We have our professional QC and all the products will be strict inspection and testing for every order before shipment.