What is the warranty period for the drill bits?

We provide a 1-year warranty for our drill bits.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

High-Performance 4-Blade PDC Drag Bits for Hard Rock Drilling

Name: High-Performance 4-Blade PDC Drag Bits for Hard Rock Drilling
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2165912445

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

US$34.00

2-9 Pieces

US$33.00

10-49 Pieces

US$32.00

50-99 Pieces

US$31.00

100-999 Pieces

US$29.00

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

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

75~325#

Origin

Changsha, Hunan, China

HS Code

8430691900

Production Capacity

15, 000PCS/Year

Key features

Customized Color Options: Color is customized to meet specific client requirements.

One-Piece Alloy Steel Body: Solid 4140 alloy steel body for enhanced strength and durability.

Tungsten Carbide Cutting Tips: Cast with tungsten carbide tips and gauge sides for longer life.

High Efficiency Design: 3-wing design drills faster and more aggressively than 4-wing bits.

1 Year Warranty Coverage: Comprehensive 1-year warranty included with every purchase.

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

Full Customization Support: Supports customization from samples, designs, and full custom models.

Low MOQ Requirement: Minimum order quantity is just 1 piece for flexible 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: ≤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.

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 and their applications?

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:What are the payment terms, 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 do you ensure product quality?

We have our professional QC and all the products will be strict inspection and testing for every order before shipment.