What are the delivery methods?

Transportation is available by DHL/TNT/FedEx express, air transportation, sea, and train.

What is the warranty period?

We provide a 1-year warranty for our products.

Ntw 75mm, 76.5mm, and 77mm Diamond Core Drill Bits

Name: Ntw 75mm, 76.5mm, and 77mm Diamond Core Drill Bits
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2062266422

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

Thread Type

Male or Female

Machine Type

Drilling Equipment

Applicable Industries

Energy & Mining

Processing Type

Forging

Use

Well Drilling

Application

Stone Mining in Mines

Color

Customized

Features

Fast Speed, High Efficiency

Product Name

Three Wings Alloy Scraper Bit

Video Outgoing-Inspection

Supported

Condition

New

API

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

Weight (Kg)

4.7kg

Transport Package

Wooden Box

Specification

75~77#

Trademark

FineDrill

Origin

Changsha, Hunan, China

HS Code

8430691900

Production Capacity

15, 000PCS/Year

Key features

Custom Size Options: Available in 75mm, 76.5mm, and 77mm with custom size options.

Hot Pressed Diamond Tip: Features hot pressed diamond tip for superior durability and precision.

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

Versatile Applications: Suitable for geological exploration, construction, mining, and hard rock drilling.

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

Low MOQ: Minimum order quantity is just 1 piece.

Full Set Supply: Supply full set of drilling tools including pipes, bits, and equipment.

Factory Direct Price: Direct from factory with guaranteed quality and competitive price.

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.

Q:What are your main products?

Our products include diamond core bits, PDC drill bits, reaming shells, core barrels, casing, drill rods, SPT equipment, drill rig and other drilling parts.

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, mud pump, and air compressor.

Q:What are the payment terms and MOQ?

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

Q:How do you ensure product quality?

We have professional QC and all products undergo strict inspection and testing for every order before shipment.