What is the warranty period for this product?

We provide a 1-year warranty for this product.

What is the lead time for production?

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

Four Wing Reinforced Coreless Drill with External Thread

Name: Four Wing Reinforced Coreless Drill with External Thread
Brand: Qidong Fengsu Drilling Tools Co., Ltd.
SKU: 2048512832

Hunan, ChinaQidong Fengsu Drilling Tools Co., Ltd.

US$203.00

1-19 pieces

US$198.00

20-49 pieces

US$193.00

50+ pieces

Sample price:US$203.00/piece.Request sample

Product profile

Customization

Available

Warranty

1 Year

Certification

ISO 9001:2000, ISO 9001:2008

Model NO.

171#

Standard

AISI

Manufacturing Process

Forging

Material

45crnimov

Weight (Kg)

Condition

New

Usage

Water Well Driller

Machine Type

Hole Rig

Use

Water Well Driller

Color

Gold

Showroom Location

Algeria

MOQ

1 PCS

Name

Drag Bit

Video Outgoing-Inspection

Provided

Type

Drill Bit

Applicable Industries

Energy & Mining

Packing

Wooden Case&Carton

Thread Type

Male Female Thread

Machinery Test Report

Provided

Transport Package

Wooden Case

Specification

171mm

Trademark

SPEEDMADE

Origin

Hunan, China

HS Code

82071300

Key features

Customizable Drill Bit Color: We can produce drill bits in your specific color upon request.

Professional Geological Support: Expert team assists in selecting bits suitable for your specific geological strata.

Wide Size Range: Available in sizes from 75mm to 325mm for various drilling needs.

Wear Resistant Material: Made from 45crnimov material ensuring high durability and wear resistance.

ISO Certified Quality: Manufacturing meets ISO 9001:2000/2008 standards with 100% inspection.

Low Minimum Order Quantity: MOQ is just 1 piece, allowing for easy sample testing and small orders.

Fast Delivery Options: Flexible shipping via DHL, TNT, FedEx, air, sea, or train within 15 days.

Comprehensive Product Range: Offers diamond core bits, PDC bits, reaming shells, and other drilling parts.

Company profile

ODM ServicesR&D CapabilitiesManagement Certification

Qidong Fengsu Drilling Tools Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: >24h

AI-Powered supplier vetting

SummaryThe supplier operates in metal tool, drilling equipment, mining machinery, mechanical equipment, and related metal-product businesses. It reports ISO9001:2015 and ISO14001 certifications, as well as additional management-system certifications including BSCI, TS16949, and GMP, although the applicable scope and validity are not specified. Service procedures, corrective-action procedures, and complaint-handling records are stated to exist. The supplier offers OEM and ODM services and launched new products during the past year, but it has no available SDK and only two R&D engineers are reported. Production information includes five production lines and 31–40 quality-control staff; the stated output figure is omitted for privacy. Financial records are identified for 2021–2023, but no financial results are provided. No Fortune 500 cooperation is reported, and overseas-service coverage is listed as zero.

Supplier typeThe supplier is a manufacturer and seller of metal tools, drilling and oil-production equipment, mining machinery, mechanical parts, hardware, and metal materials. Its product description specifically covers drill bits for water wells, natural gas, oil, coal, geothermal, and geological exploration applications.

CertificationsThe supplier reports ISO9001:2015 and ISO14001 certifications, while another slice lists BSCI, TS16949, ISO9001, and GMP management-system certifications. The records do not specify certificate scope, issuing bodies, or validity dates, but they explicitly evidence multiple certifications.

After-Sales capabilityThe supplier states that it has written procedures and implementation records for service capability assessment, corrective and preventive actions, and customer complaint handling. However, overseas-service coverage is recorded as zero, so the evidence supports formal service processes but not broad international service reach.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has R&D engineers with 6–10 years of total experience. It also reports only two R&D engineers and explicitly states that no SDK is available, indicating some product-development capability but limited evidence of broader technical resources.

Production capacityThe supplier reports five production lines and 31–40 quality-control staff, providing explicit evidence of an organized manufacturing and quality-control setup. The supplier also states an annual production-output range, but that figure is excluded here under the privacy requirement; product-specific capacity is not provided.

Customization capabilityThe supplier explicitly offers ODM and OEM services and provides different drill-bit models and sizes for varied applications and rock conditions. This supports customization capability for relevant products, although the scope of engineering changes and customization limits is not detailed.

Client casesThe supplier explicitly reports no cooperation with Fortune 500 companies. Although it states a preference for repeat buyers at 80%–100%, no named customers, reference projects, or verifiable customer cases are provided.

Product Q&A

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 rigs, and other drilling parts. They are primarily used for mineral exploration, geological drilling, geotechnical engineering, building wells, and soil sampling.

Q:Do you accept sample orders?

Yes, we welcome sample orders so you can test our quality before making larger purchases.

Q:Can we select the color of the drill bit?

Yes, we have a standard rock hardness select index to choose drill bit matrix hardness. If you need, we can make the drill bit color based on your requirements.

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 does your company control the quality?

1. Quality first: We conduct serious inspections for all products and raw materials in strict procedures. We obtained ISO9001:2000 certification in 2004. 2. After-sales service: We have a Quality Guarantee system based on industrial standards and field experience.