What is the accuracy of your products?

Our natural electric field instruments have over 30 years of experience. With advanced technology and patents, our accuracy is over 95%, and customer feedback rate reaches 100%.

What after-sales services do you provide?

Our sales team responds within 24 hours (excluding holidays). Technical support is available anytime, and free replacements are provided for failures confirmed to be caused by product quality. We also offer a 24-hour service hotline.

What is the lead time for production?

The peak season lead time is one month, while the off-season lead time is within 15 workdays.

High Quality DTH Button Drill Bits for Mining Machine DHD350-140

Name: High Quality DTH Button Drill Bits for Mining Machine DHD350-140
Brand: PUTIAN QIDELI ENGINEERING EQUIPMENT CO., LTD.
SKU: 2083748652

Fujian, ChinaPUTIAN QIDELI ENGINEERING EQUIPMENT CO., LTD.

US$80.00-500.00

1 Piece

Product profile

Customization

Available

Customized

Standard

DIN, JIS, AISI

Model NO.

DHD350-140mm

Length

Stub-length

Type

Drill Bits

Material

Special Arroy Steel

Usage

Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling

Button Quantity

Provide Customer Design

Water Hole

Available for 3 Holes

Head Shape

Convex Face

Alloy Type

Carbide

Heat Treatment

Transport Package

Wooden Case Packing

Trademark

QIDELI

Origin

HS Code

82071990

Production Capacity

50000

Key features

Customizable Button Design: Button quantity, water holes, and head shape can be customized per customer design.

High-Performance Carbide: Uses YK05 carbide brand with 18mm, 15mm, and 14mm button sizes for durability.

Wide Compatibility: Compatible with DHD350, SP580, QL50, WK50, Mission50, and SD5 hammer models.

Versatile Applications: Ideal for mining, marble quarrying, well drilling, drifting, and tunneling projects.

Strict Quality Control: Experienced QC team performs strict inspection and testing on every order before shipping.

Low MOQ Requirement: Minimum order quantity is just 1 piece per model, allowing for easy trial orders.

Professional Manufacturer: QIDELI is a professional supplier of high-performance rock drilling tools and DTH hammers.

Durable Material Body: Bit body made from 23CrNi3Mo material, ensuring strength and longevity in harsh conditions.

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: ≤3.10h

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 equipment do you supply?

We supply DTH drilling rigs, water well drilling rigs, screw and piston air compressors, pneumatic rock drills, drill bits, Tricone bits, DTH hammers, drill rods, and spare parts.

Q:How can I make payment?

We accept payment via TT, Western Union, LC, etc.

Q:How is the shipment and how long does it take?

For large or heavy products, we ship by sea or land; for small items, by DHL, UPS, FedEx, or TNT. Shipping time depends on the destination country and city. You can also appoint your preferred shipping method.

Q:How is your quality control?

We have an experienced QC team that performs strict inspection and testing for every order before shipping out.

Q:Is it difficult to operate?

The instrument is easy to operate. We provide a detailed operation manual via email. The detector maps directly with one button, requiring no computer drawing mapping.