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DHD35N High-Pressure Submersible Drill Bit for Hard Rock Drilling with Valveless Structure and High Impact Energy

Brand Name:	HLDRILL
Model Number:	GB
MOQ:	10PCS
Price:	Please contact us
Payment Terms:	T/T
Supply Ability:	3000 per month

Detail Information

Product Description

Detail Information

Place of Origin:

China

Certification:

ISO9001

Product Model:

DHD35N High-pressure Submersible Hammer

Working Air Pressure:

0.7 – 1.2 MPa

Structural Design:

Valveless Structure, Advanced And Stable

Core Advantages:

Fast Drilling Speed, High Quality Of Hole Formation

Energy Transfer:

High Impact Energy, Low Energy Loss

Applicable Strata:

Hard Rock, Extremely Hard Rock And Complex Strata

Component Manufacturing Process:

Key Components Undergo Strict Heat Treatment, Resulting In Longer Service Life

Compatibility:

Can Be Used In Conjunction With DHD/QL/HP/SD Series Drill Bits

Application Fields:

Mining, Infrastructure Construction, Quarries, Geological Exploration

Packaging Details:

Wooden box/Cardboard box

Highlight:

Hard Rock Drilling DTH Hammer

Valveless Structure Down-The-Hole Hammer

High Impact Energy DHD35N Drill Bit

Product Description

DHD35N High-Pressure Submersible Drill Bit

The preferred equipment for hard rock drilling applications requiring superior performance and reliability.

Product Overview

The DHD35N high-pressure down-the-hole hammer operates at 0.7-1.2 MPa and is engineered for drilling in hard and extremely hard rock formations. This valveless hammer design delivers fast drilling speeds and high-quality results while minimizing energy loss for excellent rock fragmentation and productivity.

Key Performance Features

Valveless hammer design optimized for high performance under low working pressure
Sturdy, durable construction without bottom valve for heavy-duty applications
Maximizes energy output while reducing usage requirements
Irreversible sleeve design for enhanced reliability
All key internal components undergo strict heat treatment to maximize tool lifespan

Applications

The DHD35N delivers efficient rock-breaking capability and stable performance across various demanding scenarios:

Mining Operations: Blasting hole drilling for metal and non-metal mines
Infrastructure Projects: Anchor holes and blasting holes for tunnels, road slopes, and subway construction
Quarrying Operations: Stone extraction drilling that quickly penetrates hard rocks
Geological Survey: Water wells, geothermal wells, and complex strata exploration
Foundation Construction: Pile construction, geological disaster remediation, and various rock drilling operations

Technical Specifications

Product Data
Total Length (Hammer Length without bit)	899 mm
Top Sub Thread	API 2 3/8" REG PIN
Outside Diameter	82 mm
Weight	25 KG
Bit Diameter	90-110 mm
Working Pressure	12-24 Bar
Air Consumption	8-12 M³/min
Bit Shank	DHD3.5

Component Parts List

Item Description	Part Number	Item Description	Part Number
Top Sub	DHD35N-01	Piston	DHD35N-08
O-Ring	DHD35N-02	Guide Sleeve	DHD35N-09
Cap	DHD35N-03	Bit Retainer Ring	DHD35N-10
Check Valve	DHD35N-04	O-Ring	DHD35N-11
Spring	DHD35N-05	Driver Sub	DHD35N-12
Air Distributor	DHD35N-06	Outer Sleeve	DHD35N-13
Inner Cylinder	DHD35N-07

The DHD35N high-pressure submersible hammer features "high efficiency, durability, and energy saving" as core design principles. Engineered with advanced international technologies and optimized for complex construction scenarios, it enhances drilling efficiency, reduces overall costs, and minimizes equipment failures for stable, reliable operation.

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