The Minimum Order Quantity is 1 Piece.

What are the available sizes?

Available sizes include 75mm, 91mm, 113mm, 153mm, 171mm, 200mm, and 220mm, with custom sizes also available.

What is the warranty period for the product?

The standard warranty period is 6 Months.

High Efficiency Aq Bq Hq Nq Pq Impregnated Diamond Core Bit for Core Drilling

Name: High Efficiency Aq Bq Hq Nq Pq Impregnated Diamond Core Bit for Core Drilling
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2177188745

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

Model

Aq Bq Hq Nq Pq

Key Words2

Impregnated Diamond Core Bit

Use

Coal Mining

Manufacturing Process

Forging

Weight

1.5

Video Outgoing-Inspection

Supported

Key Words

Diamond Core Drill Bit

Advantage

Wear Resistant

Applicable Industries

Energy & Mining

Size

75mm 76mm 101mm Custom

Product Name

Impregnated Diamond Core Drill Bit

Color

Customized

Package

Carton Box

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 Press Impregnated Design: Engineered for hard rock drilling with superior durability, high wear resistance, and long lifespan.

Customizable Specifications: Adjustable diamond concentration, size, and custom sizes available for specialized tasks and various applications.

Robust Steel Construction: High-pressure bonded diamonds on a steel body with layered sand embedding for quick exposure and reduced clogging.

Versatile Drilling Compatibility: Supports wet/dry drilling and segmented design to enhance cutting efficiency and reduce matrix wear.

High Efficiency & Speed: Delivers fast drilling speed and stable performance for granite, concrete, and geological exploration.

17+ Years Manufacturing Expertise: Professional manufacturer with over 17 years of experience in drilling industry and global export operations.

CE Certified Quality: All products comply with CE certification standards, ensuring reliable performance and safety.

Comprehensive After-Sales Support: Includes bilingual videos, lifetime technical support, and free replacement for faulty parts.

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 a manufacturer?

Yes, we are an ISO-certified integrated manufacturer & trader with 17+ years of expertise in industrial machinery production and global export operations.

Q:What are the payment terms?

T/T Payment / DP / LC / Alipay. 30% deposit and 70% balance paid pre-shipment.

Q:What is the delivery time?

7-10 working days after deposit receipt. Bulk orders require customized timelines.

Q:What is the warranty policy?

12-Month Warranty on Core Components. Free replacement for faulty parts, bilingual installation/operation videos, and lifetime technical support.

Q:How do you ensure quality control?

We use a 3-Stage Inspection System including raw material inspection, assembly process quality checks, and 48-hour continuous load testing.