What are the available diameter sizes?

Standard sizes include 75mm, 76.5mm, and 77mm, with custom size options to meet specific project requirements.

What is the warranty period?

We provide a comprehensive 1-year warranty for all our mechanical equipment.

Is customization available for this product?

Yes, we support full customization from samples and designs, including bit material and diameter sizes.

Heavy-Duty Diamond Core Drill Bit for Tough Applications

Name: Heavy-Duty Diamond Core Drill Bit for Tough Applications
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2062361482

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

US$60.00

2-9 Pieces

US$55.00

10-49 Pieces

US$45.00

50-99 Pieces

US$35.00

100-999 Pieces

US$29.00

1,000+ Pieces

Sample price:US$60.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Length

Stub-length

Type

Core Drill Bit

Material

High Manganese Steel

Usage

Well Drilling, PCB Drilling, Masonry Drilling

Bit Material

Hot Pressed Diamond

Diameter Sizes

Standard Sizes Include 75mm, 76.5mm, and 77mm, Wit

Drilling Speed

Capable of Rapid Drilling, Reducing The Time Requi

Durability

Designed for High Durability, These Drill Bits Min

Wear Rate

with a Low Wear Rate, These Drill Bits Extend Thei

Efficiency Improvement

The Design Optimizes for Reduced Resistance During

Drill Rig Stability

The Drill Bits Help Stabilize The Drilling Equipme

Hole Diameter Correction Capability

They Possess The Ability to Correct Hole Diameters

Ease of Operation

Easy to Operate and Maintain, Simplifying The Dril

Application Rangeapplication Range

Suitable for a Variety of Geological Conditions an

Video

Yes

API

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

Color

Customize

Transport Package

Wooden Box

Specification

75~77#

Trademark

FineDrill

Origin

Changsha, Hunan, China

HS Code

8430691900

Production Capacity

15, 000PCS/Year

Key features

Hot Pressed Diamond Tip: Ensures superior durability and precision in hard rock and concrete drilling.

Customizable Sizes: Available in 75mm, 76.5mm, and 77mm with options for specific project requirements.

High Manganese Steel Material: Constructed from high-quality material for long-lasting performance and reliability.

Wireline Design: Allows quick and easy bit changes, reducing downtime and increasing site efficiency.

Versatile Applications: Suitable for geological exploration, construction, mining, and water well drilling.

1-Year Warranty: Comprehensive warranty coverage for peace of mind on all mechanical equipment.

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

Low Wear Rate: Designed to extend tool life and reduce maintenance frequency during operations.

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.

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.