DTH Rock Drilling Equipment DTH Hammer for Mining Drilling and Quarry Drilling

Product Description

High Air Pressure DTH Hammer for Mining Compatible with Bit

Our DTH hammers support a wide range of popular drill bit shank designs used internationally. We also offer our proprietary STR series shank design that can be used with all common adapters. The API REG thread connection is commonly used for thread connections.

Specification

 

Features

1.Our DTH hammers incorporate advanced design elements that ensure smooth operation and improved stability, maximizing drilling effectiveness.

2.Key components of our DTH hammers undergo specialized heat treatment to enhance durability and increase product reliability and longevity.

3.By using our DTH hammers, you can achieve faster drilling speeds while reducing fuel consumption, ultimately saving costs for our valued customers.

4.With its unique internal installation system, the DTH hammers ensure stable impact performance, delivering outstanding drilling efficiency and extended product lifespan.

Product Introduction

Our DTH hammers feature a variety of shank designs such as CIR, BR, DHD, COP, SD, MISSION, NUMA, MACH, and STR, catering to different hole sizes and specifications ranging from 1 inch to 33 inches.

Each DTH hammer undergoes rigorous testing and optimization by our team to meet the highest standards of performance and reliability. Our strict quality control and inspection procedures ensure that every component adheres to our precise specifications and norms.

Trusted by global drilling contractors and customers who looking for high quality drilling tools for their drilling rigs and rock drilling machines, we would be honored to have the opportunity to earn your trust and provide you with rock drilling products that meet your application needs.

Application scenarios

The versatility of our DTH hammers makes them widely applicable across various industries, including open-pit mining, underground mining, tunneling, anchoring projects, blast furnace tapping, tunnel construction, hydroelectric projects, quarrying, and various other construction projects.andling, land preparation

Technical Specifications

(Custom configurations available upon request.)

Lower Air Pressure DTH Hammer

Model	Outside diameter (mm)	Working pressure (Mpa)	Air consumption (m³/min)	Hold diameter (mm)
CIR90	80	0.5-0.7	6	85-110
CIR110	98	0.5-0.7	11	105-120
CIR130	112	0.5-1.0	7-12	130-175
CIR150	136	0.5-1.0	10-16	150-200

Midium Air pressure DTH Hammer

Model	Outside diameter (mm)	Working pressure (Mpa)	Air consumption (m³/min)	Hold diameter (mm)
BR1	54	0.7-1.75	4.5-8.8	60-76
BR2	63	0.7-2.0	5.5-8.8	70-95
BR3	82	0.7-2.0	5.5-10.8	90-110
BR4	95	0.7-17.2	1.9-10.8	105-127

Higher Air pressure DTH Hammer

Model	Outside diameter (mm)	Working pressure (Mpa)	Air consumption (m³/min)	Hold diameter (mm)
DHD3.5/ DHD3.5A	80	0.8-3.0	4.5-12.5	90-105
DHD340/ DHD340A	99	0.8-3.0	5.0-15	105-130
DHD350/ DHD350A	126	0.8-3.0	7.5-19.5	133-152
DHD360/ DHD36A	144	0.8-3.0	8.7-25.0	152-254
DHD370	170	0.8-3.0	10-30	178-216
DHD380/ DHD380A	182	0.8-3.0	12-35	194-305
DHD1120/DHD1120A	275	1.4-3.0	36.6-56	305-400
SD4	99	0.8-3.0	5.0-15	105-130
SD5	126	0.8-3.0	7.5-19.5	133-152
SD6	144	0.8-3.0	8.7-25.0	152-254
SD8	182	0.8-3.0	12-35	194-305
SD10	225	1.0-3.0	22-55	254-325
SD12	275	1.4-3.0	36.6-56	305-400
QL40	99	0.8-3.0	5.0-15	105-130
QL50	126	0.8-3.0	7.5-19.5	133-152
QL60	144	0.8-3.0	8.7-25.0	152-254
QL80	182	0.8-3.0	12-35	194-305
MISSION30/STR30	80	0.8-3.0	4.5-12.5	90-105
MISSION40/ STR40	99	0.8-3.0	5.0-15	105-130
MISSION50/ STR50	126	0.8-3.0	7.5-19.5	133-152
MISSION60/ STR60	144	0.8-3.0	8.7-25.0	152-254
MISSION80/ STR80	182	0.8-3.0	12-35	194-305
N100/ STR100	225	1.0-3.0	22-55	254-325
N120/ STR120	275	1.4-3.0	36.6-56	305-400
N125	330	2.0-3.5	36.6-56	400-500
N180	406	2.0-3.5	36.6-56	500-650
N240	525	2.0-3.5	36.6-56	650-800

Drawings & Dimensions

The DTH hammers are suitable for drilling holes ranging from 64 to 1200 millimeters in diameter. Depending on the output power of your air compressor, we offer three types of hammers for you to choose from, allowing you to select the most suitable hammer to ensure optimal drilling efficiency and results:

1. Low Air Pressure (0.5-0.7 cubic meters/minute)

2. Medium Air Pressure (0.7-1.5 cubic meters/minute)

3. High Air Pressure (7-30 cubic meters/minute)

Packaging & Shipping

After Sales Service

Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

Company Profile

HENAN STAROCKDRILL EQUIPMENT CO., LTD

Welcome to Starockdrill, a specialist manufacturer of rock drilling tools. Since our establishment in 2008, Henan Starockdrill Equipment Co., Ltd. has been committed to the research, development, and production of rock drilling tools. Our mission is to provide customers with high-quality, efficient, and reliable drilling tools and solutions, helping them enhance productivity, reduce costs, and create more value.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Threaded Drill Rods
Coupling Sleeves
Threaded Drill Bits
Eccentric Casing System
Double Casing Drilling System

Certifications

Project Case

FAQ

Q: What’s the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.

Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.

Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.

Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.