What is the warranty period?

The product has a long service life with reliable components and simple maintenance. Specific warranty terms are not explicitly stated, but the return rate is below 0.5%.

What are the main applications for these drill bits?

They are widely used for well drilling, metal drilling, masonry drilling, mining drilling, building piles, and oil and gas drilling.

HD45A-140 mm Drill Bit, DTH High Pressure Bits for Well Mining Drilling

Name: HD45A-140 mm Drill Bit, DTH High Pressure Bits for Well Mining Drilling
Brand: PUTIAN QIDELI ENGINEERING EQUIPMENT CO., LTD.
SKU: 2109256342

Fujian, ChinaPUTIAN QIDELI ENGINEERING EQUIPMENT CO., LTD.

US$146.00-166.00

1 Piece

Product profile

Customization

Available

Customized

Type

DTH Drill Bit

Model NO.

HD45A-140 mm

Material

Solid Carbide

Usage

Well Drilling, Metal Drilling, Masonry Drilling

Leader Time

20-30 Days

Technology

Carburizing and Other Heat Treatment Processes

Head Shape

Optional

Surface Treatment

Optional

Color

Customed

Transport Package

Wooden, or Others

Specification

HD45A-140 mm

Trademark

QIDELI

Origin

China

HS Code

8207130000

Production Capacity

50000

Key features

High-Quality Alloy Steel: Made of high-quality alloy steel with precise processing and heat treatment for high hardness.

Long Service Life: Simple structure and reliable components ensure high performance, hole cleaning, and long lifespan.

Wide Application: Suitable for mining drilling, wells, building piles, oil and gas drilling, and masonry drilling.

Customizable Design: Customizable diameter, air holes, hard alloy shape, and surface shape based on customer requirements.

Fatigue Resistance: Surface compression and precision gear column enhance fatigue resistance and durability.

Trusted Manufacturer: 30 years experience with over 97% customer repurchase rate and satisfaction rate.

Global Export Experience: Exported to over 40 countries with annual revenue over 40 million RMB.

Low Return Rate: Product return rate is well below 0.5%, ensuring high quality and reliability.

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: ≤5.85h

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 lead time for orders?

We can deliver in 2-3 days if products are in stock. Special designs and customized products need 20-30 days. Delivery can be by sea, air, or express (DHL, TNT, EMS, UPS, FEDEX).

Q:What payment terms do you accept?

We accept FOB, CIF, DDP, DDU, and EXW. Usually, a 30% deposit by T/T is required, with the balance paid by T/T before shipment or after the copy of the bill of lading.

Q:How do I place an order?

Contact us with any questions. A dedicated person will handle the connection within 24 hours on working days to ensure a smooth purchase process.

Q:What materials are used for the drill bits?

Each drill bit is made of high-quality alloy steel, undergoes precise processing, heat treatment for hardness, and surface compression for fatigue resistance.

Q:Can the drill bits be customized?

Yes, we can design and manufacture according to customer requirements for diameter, number of air holes, hard alloy shape, and drill surface shape.