What is the warranty period?

The product comes with a 6-month warranty.

What is the lead time for production?

During peak season, the lead time is one month. During the off-season, it is within 15 workdays.

Do you offer customization services?

Yes, we offer customization from samples and designs, with both OEM and ODM services available.

Five Wing Straight Concave Coreless Drill with External Thread

Name: Five Wing Straight Concave Coreless Drill with External Thread
Brand: Qidong Fengsu Drilling Tools Co., Ltd.
SKU: 2043513072

Hunan, ChinaQidong Fengsu Drilling Tools Co., Ltd.

US$78.00

1-19 Pieces

US$77.00

20-49 Pieces

US$76.00

50+ Pieces

Sample price:US$108.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Warranty

6 Months

Model NO.

75#

Certification

CE, ISO 9001:2000

Standard

AISI, ASME, ANSI

Surface Treatment

Oxidation

Manufacturing Process

Forging

Material

Copper Alloy

Weight (Kg)

3.7

Condition

New

Processing Type

Forging

Machine Type

Horizontal Drill

Use

Ore Mining

Size

75mm

Color

Customized Color

Key Word

Spiral Straight Concave Coreless Drill Bit

MOQ

50 Piece

Key Words2

Stone Mining

Marketing Type

New Product 2023

Packing

Wooden Box&Carton

Product Name

Application

Mining

Machinery Test Report

Provided

Transport Package

Carton

Specification

as needed

Trademark

Origin

China

HS Code

82071300

Key features

Customized Color Options: Available in customized colors to meet specific project requirements.

CE and ISO 9001 Certification: Product certified with CE and ISO 9001:2000 standards for quality assurance.

OEM and ODM Services: Full customization available from samples and designs with OEM/ODM support.

100% Finished Product Inspection: Strict quality control with visual and functional inspection for all items.

Professional Manufacturing Experience: Established manufacturer with 5 years of export experience and advanced production lines.

Diverse Payment Methods: Accepts T/T, L/C, PayPal, Western Union, Credit Card, and other major currencies.

Global Market Presence: Products successfully exported to North America, Europe, Africa, and Asia.

Comprehensive After-Sales Warranty: 6-month warranty coverage provided for all purchased equipment.

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: ≤15h

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:Who are we?

We are based in Hunan, China, started in 2019, and sell to South Asia, Mid East, Africa, Southeast Asia, Eastern Asia, North America, Central America, South America, Northern Europe, Western Europe, Domestic Market, Oceania, Eastern Europe, and Southern Europe. There are about 51-100 people in our office.

Q:How can you guarantee quality?

We always produce a pre-production sample before mass production and conduct a final inspection before shipment.

Q:What can you buy from us?

We offer PDC Drill Bit, Diamond Core Bit, DTH Hammer Bit, Rock Tools, and Drilling Equipment.

Q:Why should you buy from us not from other suppliers?

We have built a high-performance production line for Diamond core bits, DTH hammer bits, hole openers, and PDC bits with advanced technology, complete equipment, and standardized management as professional drilling bit manufacturers.

Q:What services can you provide?

We accept delivery terms like FOB, CIF, EXW, and Express Delivery. Payment currencies include USD, EUR, CAD, AUD, GBP, and CNY. Payment types include T/T, L/C, MoneyGram, Credit Card, PayPal, Western Union, Cash, and Escrow. We speak English, Chinese, Spanish, French, and Russian.