What payment terms are accepted?

Accepted payment terms include T/T, PayPal, D/P, Western Union, Small-amount payment, and LC.

Are video inspections provided before shipment?

Yes, video outgoing-inspection is provided to show the product condition before delivery.

What is the main advantage of this bit compared to traditional alloy bits?

It offers significantly higher drilling speed, described as 'speed like flying', and better performance in overcoming incomplete strata.

Premium Diamond Core Drill Bit for Accurate Hole Cutting

Name: Premium Diamond Core Drill Bit for Accurate Hole Cutting
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2173858485

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

US$49.90

1-9 Pieces

US$48.90

10-99 Pieces

US$46.90

100-999 Pieces

US$45.90

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

Hot Press 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 Cutting: Uses diamond compact pieces for scraping and shearing to crush rock formations efficiently.

High Speed Performance: Drilling speed is significantly faster than traditional alloy bits, described as 'speed like flying'.

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

Wear Resistant Design: Constructed with carbon steel and diamond materials, offering superior wear resistance.

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

6 Months Warranty: Provides a comprehensive 6-month warranty coverage for the product.

Video Inspection Supported: Outgoing inspection videos are provided to ensure quality before shipment.

Low MOQ Requirement: Minimum Order Quantity is just 1 piece, allowing for flexible bulk purchasing.

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.