What is the lead time for delivery?

The average lead time is within 15 workdays, regardless of peak or off-season periods.

Is customization available for these drill bits?

Yes, we offer customization from samples, designs, and flexible minor customization to meet specific client requirements.

Durable Diamond Core Drill Bits for Mining Applications

Name: Durable Diamond Core Drill Bits for Mining Applications
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2067687332

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

US$9.90

2-9 Pieces

US$8.50

10-49 Pieces

US$7.90

50-99 Pieces

US$7.50

100-999 Pieces

US$6.10

1,000+ Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Model NO.

22-320

Length

Stub-length

Type

PDC Bits

Material

High Manganese Steel

Usage

Well Drilling

Thread Type

Male Thread

Machine Type

Drilling Equipment

Applicable Industries

Energy & Mining

Processing Type

Forging

Use

Well Drilling

Application

Groutiong Coal Mine Gas Discharge Water Well Drill

Color

Customized

Features

Fast Speed, High Efficiency

Product Name

Four Wings Reinforced Arc Angle Drilling Bits

Video Outgoing-Inspection

Supported

Condition

New

API

2 3/8"3 1/2"4 1/2"Support Customization

Weight (Kg)

4kg

Size

220mm

Main Material

Tungsten Carbide

Transport Package

Standard Exporting Packing.

Specification

220#

Trademark

Fast Drill

Origin

Changsha, Hunan, China

HS Code

8430691900

Production Capacity

15, 000PCS/Year

Key features

Thermally Pressed Technology: Diamonds securely embedded in gold-steel matrix for enhanced structural integrity and longevity.

Thin-Wall Design: Greater exposure of diamond surface area ensures faster and more efficient cutting through rock.

Wide Diameter Range: Available in diameters from 22 to 320mm to suit various drilling applications and conditions.

Customizable Options: Supports customization for thread type, color, and specific design requirements from samples or designs.

High Durability: Withstands high pressures and temperatures, ideal for hard rock formations and tough drilling conditions.

Versatile Applications: Suitable for mining, construction, geological exploration, water well drilling, and coal mine gas discharge.

Professional QC: Strict inspection and testing for every order before shipment to ensure product quality and reliability.

Fast Delivery: Average lead time within 15 workdays with multiple transportation options including express and sea freight.

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: ≤11.50h

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 a manufacturer or trading company?

We are an integrated corporation specialized in manufacturing and exporting drilling equipment and parts.

Q:What are your main products and their uses?

Our main products include diamond core bits, PDC drill bits, reaming shells, and drill rods, used for mineral exploration, geological drilling, and water well drilling.

Q:Can you supply related drilling tools?

Yes, we supply full sets of drilling tools such as drill pipes, tricone bits, PDC bits, DTH hammers, and equipment like mud pumps and air compressors.

Q:What are the payment terms and MOQ?

Payment methods include T/T, L/C, Western Union, and PayPal. The minimum order quantity is just 1 piece.

Q:How do you ensure product quality?

We have a professional QC team that conducts strict inspection and testing on every order before shipment.