What are the delivery methods?

We offer transportation via DHL/TNT/FedEx express, air transportation, sea freight, and train.

What is the warranty period?

We provide a 1-year warranty for our products.

What is the lead time for orders?

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

Ntw 75-77mm Hot Pressed Diamond Drill Bits with Variable Hardness

Name: Ntw 75-77mm Hot Pressed Diamond Drill Bits with Variable Hardness
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2062262282

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

Hot Pressed Diamond Tip: Features superior durability and precision for drilling through hard rock and concrete.

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

Customizable Options: Supports customization for thread type, machine type, color, and specific application needs.

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

Multiple Size Options: Available in diameters of 75mm, 76.5mm, and 77mm to fit various drilling requirements.

1-Year Warranty: Comprehensive 1-year warranty coverage for all products to ensure customer confidence.

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

Factory Direct Supply: Direct from factory with guaranteed quality and competitive pricing for global clients.

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.