What is the warranty period for the drill bits?

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

Is customization available for this product?

Yes, we support customization for thread type, machine type, color, and other specifications based on client requirements.

What are the recommended operating parameters for this bit?

Rotary table speed should be between 60 and 80 rpm with light weight on the bit for optimal performance in soft formations.

High-Performance 3 Wings Concave PDC Coreless Drill Bits for Mining

Name: High-Performance 3 Wings Concave PDC Coreless Drill Bits for Mining
Brand: Changsha Fast Drill Engineering Machinery Co., Ltd.
SKU: 2159096815

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

Customizable Design: Offers full customization including color, thread type, and machine type to meet specific client requirements.

High Efficiency Drilling: 3-wing design drills faster and more aggressively than 4-wing bits, producing larger cutting force for soft formations.

Durable Construction: One-piece 4140 alloy steel body with tungsten carbide cutting tips and gauge sides ensures longer life and strength.

Wide Application Range: Ideal for soft to medium geological formations such as clay, loam, silt, and soil layers in water well and foundation drilling.

Low MOQ Requirement: Minimum order quantity is just 1 piece, allowing for flexible purchasing and testing.

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

Fast Delivery Options: Supports DHL/TNT/FedEx express, air, sea, and train transportation with lead times within 15 workdays.

Comprehensive Product Line: Manufacturer of various drilling tools including PDC bits, diamond bits, drill rods, and complete drilling equipment sets.

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: ≤24h

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 drilling equipment and parts.

Q:What are your main products and their applications?

Our main products include diamond core bits, PDC drill bits, reaming shells, core barrels, drill rods, and rigs. They are used for mineral exploration, geological drilling, geotechnical engineering, building wells, and soil sampling.

Q:Can you supply related drilling tools and equipment?

Yes, we supply full sets of drilling tools such as drill pipes, tricone bits, PDC bits, drag bits, DTH hammers, and equipment like mud pumps and air compressors.

Q:What are the payment terms, MOQ, and delivery methods?

Payment: T/T, L/C, Western Union, PayPal. MOQ: 1 piece. Delivery: By DHL/TNT/FedEx express, air, sea, or train.

Q:How do you ensure product quality?

We have a professional QC team that conducts strict inspection and testing for every order before shipment.