What materials are used in this drill bit?

The drill bit is made of high manganese steel and carbide, with high-grade polycrystalline diamond (PDC) cutters.

Factory 75mm 3 Inch Four Wings PDC Concave Drill Bits PDC Blade Bit for Well Drilling Sumur Bor

Name: Factory 75mm 3 Inch Four Wings PDC Concave Drill Bits PDC Blade Bit for Well Drilling Sumur Bor
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2101573332

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

US$60.00

2-9 Pieces

US$58.00

10-49 Pieces

US$55.61

50-99 Pieces

US$52.78

100-999 Pieces

US$50.00

1,000+ Pieces

Product profile

Customization

Available

Customized

Standard

AISI

Length

Stub-length

Type

Non-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

Concrete Stone Granite Marble

Application

Stone Mining in Mines

Color

Customized

Features

Fast Speed, High Efficiency

Product Name

Four Wings PDC Concave Bit

Video Outgoing-Inspection

Supported

Condition

New

Size

140mm Support Customization

Weight (Kg)

1.86

Transport Package

Wooden Box

Specification

56mm-230mm

Origin

Changsha, Hunan, China

HS Code

8430691900

Production Capacity

15, 000PCS/Year

Key features

High-Performance PDC Design: 4-wing concave/convex blade with premium PDC cutters for fast and stable drilling.

Extended Bit Life: Unique blade structure improves cuttings removal, minimizes balling, and extends durability.

Wide Application Range: Ideal for sedimentary rock, shale, limestone, geotechnical exploration, and water well drilling.

Customizable Options: Supports customization for thread type, color, size, and design from samples or drawings.

6-Month Warranty: Comprehensive 6-month warranty coverage for peace of mind and quality assurance.

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.