What is the recommended shipping method?

For sample orders, we suggest Courier express like DHL/UPS/TNT/FEDEX or by air. For bulk orders, we suggest by air or by sea.

What materials are used for the drill bit?

The bit's body is made of 23CrNi3Mo Carbide, and the carbide brand is YK05. The alloy material ensures longer using life.

Is customization available for this product?

Yes, customization is welcome. We can customize the Alloy Type, Button Shape, Color, and Face Design according to your request.

DHD380 Drill Bit for Mining and Water Well Drilling DTH Bit

Name: DHD380 Drill Bit for Mining and Water Well Drilling DTH Bit
Brand: PUTIAN QIDELI ENGINEERING EQUIPMENT CO., LTD.
SKU: 2086659562

Fujian, ChinaPUTIAN QIDELI ENGINEERING EQUIPMENT CO., LTD.

US$112.00-120.00

1 Piece

Sample price:US$115.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Model NO.

dhd380

Length

Jobber-length

Type

Center Drill Bit

Material

Cobalt Steel Alloys

Usage

Well Drilling, Metal Drilling, Rock Drilling

Alloy Type

Carbide

Button Shape

According to Your Request

Color

Customizable

Face Design

Flat;Convex;Concave

Transport Package

Wooden Case Packing

Specification

DHD380

Trademark

Qideli

Origin

China

HS Code

82071990

Production Capacity

50000 PCS/Year

Key features

High Drilling Efficiency: Wear-resistant drill buttons keep the bit sharp, greatly improving drilling speed.

Extended Service Life: Superior alloy material provides longer using life compared to similar products.

Wide Application Range: Suitable for carbonate, limestone, clay, sandstone, and soft to hard rocks (grade 9).

Customizable Options: Alloy type, button shape, color, and face design are customizable upon request.

Stable Drilling Speed: Bit design ensures stable scraping and cutting for efficient rock breaking.

Strong Wear Resistance: Good diameter protection and efficient cutting teeth usage for hard rock drilling.

Secure Button Holding: Hot insertion technology holds carbide buttons tightly to prevent dropping out.

30 Years Experience: Established in 1990 with exceptional technical expertise and global reputation.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team

PUTIAN QIDELI ENGINEERING EQUIPMENT CO., LTD.

Fujian, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤6.01h

AI-Powered supplier vetting

SummaryThe supplier demonstrates flexible customization, ODM and OEM capability, recent new-product activity, ISO 9001 certification, in-stock capacity, and more than 15 years of heat-treatment experience. It has export capability, eight years of exporting experience, and access to overseas agents or branches, but no overseas warehouse or showroom and no participation in offline trade shows. Operational controls show weaknesses: there is no valid manufacturing-capacity contract with its related subcontractor, no written supplier-service assessment or approved-supplier list, no written corrective-action or complaint-handling procedures, and no raw-material traceability. Quality inspection is performed by one inspector, with finished products checked by packing staff. Innovation evidence is limited by zero stated patents, no SDK, no private molds, and no 3D software design service. Financial records are identified for 2021–2023, but their results are not provided.

Supplier typeThe supplier is a manufacturing-oriented provider with CNC lathe and CNC processing facilities, in-stock capability, self-operated import/export rights, and stated experience in heat treatment. It also offers services through overseas agents or branches, but the stated number of countries with overseas services is zero and no overseas warehouse or showroom is available.

CertificationsThe supplier reports an ISO 9001 supplier management-system certification. This is explicit evidence of a recognized quality-management certification, although no other certifications are identified.

After-Sales capabilityThe supplier accepts several service payment methods and states peak-season lead time of one month and off-season lead time within 15 workdays. However, it has no written corrective and preventive action procedures or records and no written customer-complaint handling procedures or records, limiting evidence of structured after-sales management.

R&D capabilityThe supplier reports a new product within the past year, flexible design customization, ODM service, and use of AutoCAD and SolidWorks. Innovation infrastructure appears limited by no available SDK, zero stated R&D patents, no private-mold capability, and no 3D software design service.

Customization capabilityThe supplier explicitly provides flexible customization, can analyze and design products according to customer usage, and can process supplied drawings. It also reports ODM and OEM capability, providing strong direct evidence of customization support.

Product Q&A

Q:What is the MOQ for this drill bit?

The MOQ is 5 pcs in each model.

Q:What is the production lead time?

Normally it takes 25 days for production based on order quantity. Only 2 or 3 days if we have stock on your requested size.

Q:What payment methods do you accept?

We accept T/T (Telegraphic Transfer), Western Union, or L/C at sight.

Q:How do you handle quality control?

We have our own experienced QC team. There will be strict inspection and testing for every order before shipping out.

Q:What after-sales services are provided?

Our sales team responds within 24 hours (Holidays Excluded). Technical support is available anytime. Free replacement is provided once failure is confirmed caused by our product quality.