What are the available hole diameters?

Low air pressure hole diameter is 65-220mm, and high air pressure hole diameter is 85-305mm.

What carbide button shapes are available?

We offer Ballistic, Sharp, Parabolic, Flat, and Domed/Round button shapes.

DHD350 Shank

Name: 165mm High Air Pressure DTH Hammer Button Bits for HD55A / Cop54 / DHD350 Shank
Brand: PUTIAN QIDELI ENGINEERING EQUIPMENT CO., LTD.
SKU: 2157654315

Fujian, ChinaPUTIAN QIDELI ENGINEERING EQUIPMENT CO., LTD.

US$212.00

1 Piece

Sample price:US$212.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

DIN

Model NO.

DHD350-165

Length

Taper-length

Type

Core Drill Bit

Material

High Carbon Steel

Usage

Well Drilling, Coal, Ore, Quarry, Construction

Size

85-280mm

Formation

Soft, Medium Soft, Hard, Medium Hard, Very Hard

Shank

DHD3.5, Cop, Ql, SD, Numa, Mission

Machine Type

Drilling Tool

Applicable Industries

Building Materialconstruction Works Energy Mining

Transport Package

Wooden, or Others

Specification

iso9001

Trademark

QIDELI, LEILI

Origin

China

HS Code

8207199000

Production Capacity

500000PCS Per Year

Key features

Wide Compatibility: Suitable for XL, Mission, DHD, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger hammers.

Customizable Options: Customize diameter, face shape, button size, and color based on samples or technical drawings.

High Quality Material: Body made of 23CrNi3Mo steel with YK05 carbide brand for durability and performance.

Multiple Face Shapes: Available in Drop Center, Concave, Convex, Double Gauge, and Flat Face for various rock types.

Fast Delivery: Production takes 25 days; only 2-3 days if stock is available for requested sizes.

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

Comprehensive Support: 24-hour sales response, 24/7 technical support, and free replacement for quality failures.

Global Reputation: Trusted by customers in over 50 countries including South Africa, Iran, Japan, and Spain.

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: ≤5.62h

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.