What payment terms do you accept?

We accept T/T, PayPal, D/P, Western Union, Small-amount payment, and LC.

What is the lead time for production?

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

Is customization service available?

Yes, we support customization from samples, designs, full customization, minor customization, and flexible customization.

Bq Nq Hq Impregnated Core Drill Bit with Reamer for Coal Mine Sampling

Name: Bq Nq Hq Impregnated Core Drill Bit with Reamer for Coal Mine Sampling
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2114375162

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

US$50.40

10-49 Pieces

US$49.00

50-99 Pieces

US$48.00

100-999 Pieces

US$46.00

1,000+ Pieces

Product profile

Customization

Available

Customized

Standard

AISI

Length

Stub-length

Type

Core Drill Bit

Material

Diamond

Usage

Well Drilling

Product Name

Impregnated Diamond Core Drill Bit

Certification

Application

Geological Drilling and Mineral Exploration

Size

75mm 76mm 96mm 102mm (Customizable)

Advantage

Manufacturer's Direct Delivery, High Quality

Key Word

Diamond Coring Drill Bit

Thread

Female Male Thread

Warranty

3 Months

Machinery Test Report

Provided

Color

Blue, Black, Green, Yellow, Customizable

Video Outgoing-Inspection

Provided

Processing Type

Forging

Machine Type

Drilling Equipment

Use

Drilling Core, Rock Core, Geological Exploration

Place of Origin

Hunan, China

Transport Package

Wooden Box

Specification

BQ NQ HQ PQ PQ3 HQ3 NQ3

Trademark

FineDrill

Origin

Changsha, Hunan, China

Key features

Full Size Range Compatibility: Available in AQ, BQ, NQ, HQ, and PQ sizes for wireline and dual tube barrels.

Dual Cutting Face Profiles: Impregnated Matrix for hard formations and Surface Set for soft to medium-hard rocks.

Customizable Dimensions: Sizes 75mm to 102mm are customizable to meet specific project requirements.

Customizable Color Options: Available in Blue, Black, Green, Yellow, or other custom colors.

1-Year Warranty Coverage: Comprehensive 1-year warranty with provided machinery test reports.

Low MOQ for Testing: Minimum order quantity is just 1 piece, ideal for testing and small projects.

Flexible Customization Services: Supports customization from samples, designs, and full or minor modifications.

Professional Video Inspection: Video outgoing-inspection provided to ensure quality before shipment.

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: ≤24h

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:What sizes are available for the core drill bits?

We offer a full range including AQ, BQ, NQ, HQ, and PQ. Customizable sizes from 75mm to 102mm are also available.

Q:What are the differences between the cutting face profiles?

Impregnated Matrix Face is for hard, abrasive formations with self-sharpening performance. Surface Set Face is for soft to medium-hard fractured formations for higher penetration rates.

Q:What is the warranty period for these drill bits?

We provide a 1-year warranty for our impregnated diamond core drill bits, along with machinery test reports.

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

The MOQ is 1 piece, allowing customers to test the product quality before placing larger orders.

Q:Can the color of the drill bits be customized?

Yes, we offer customizable colors including Blue, Black, Green, Yellow, or other specific color requirements.