What is the warranty period?

We provide a 6 months warranty for all our mechanical equipment.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

Heavy-Duty Diamond Drill Bit with Internal Thread Design

Name: Heavy-Duty Diamond Drill Bit with Internal Thread Design
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2167660545

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

Hot Pressed Diamond Material: Features extreme hardness, thermal conductivity, and superior durability for demanding drilling applications.

Internal Thread Design: Innovative dual pipe structure with interlocking elements ensures enhanced durability and efficiency.

Customized Color Options: Available in customized colors to meet specific project requirements.

Wear Resistant Performance: Engineered to penetrate hard materials like rock and concrete with precision and extended lifespan.

Optimal Coolant Flow: Innovative design ensures efficient debris removal and optimal coolant circulation.

Comprehensive Quality Control: Professional QC team performs strict inspection and testing on every order before shipment.

6 Months Warranty: Provides 6 months warranty coverage for all mechanical equipment.

Flexible Customization: Offers full customization, minor customization, and flexible customization from samples or designs.

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: ≤18h

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 original manufacturer or trading company?

We are an integrated corporation specialized in manufacturing and exporting.

Q:What are your main products, and used for?

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:How about payment, 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 can you ensure the quality?

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