8 Inches DTH Hammer Down The Hole Hammer

1 / 5

8 Inches DTH Hammer Down The Hole Hammer

Send Inquiry

Product Description

Product Overview

JS 4inch DTH HAMMER

The JS series DTH hammer is a new type of high-pressure hammer developed for efficiency and durability. It stands as one of the most cost-effective DTH hammers available, specifically designed to match bits without foot valves.

Compatible with COP / DHD / SD / QL / MISSION series bits
Simple piston structure significantly increases service life
Valveless air distribution and simple design for easy disassembly
Faster drilling speeds with optimized power consumption
Fine alloy steel with advanced hardening treatment for maximum reliability

Features at a Glance

DTH Hammer

Internal Structure

Hammer Models

Product Specifications

JS-DHD SERIES SPECIFICATIONS

Bit Shank	Length (mm)	Thread	OD (mm)	Work Pressure	Hole Range (mm)	Air Consum.	Weight (kg)
DHD3.5	863	API 2 3/8"REG	80	2.0Mpa	90-115	7	22
DHD340	967	API 2 3/8"REG	99	2.5Mpa	105-130	11	38.5
DHD350	1070	API 3 1/2"REG	126	2.8Mpa	140-152	16	70
DHD360	1164	API 3 1/2"REG	148.5	3.0Mpa	152-190	20	101.5
DHD380	1366	API 4 1/2"REG	185	3.0Mpa	203-254	30	195

JS-QL SERIES SPECIFICATIONS

Bit Shank	Length (mm)	Thread	OD (mm)	Work Pressure	Hole Range (mm)	Weight (kg)
QLX40	967	API 2 3/8"REG	99	2.5Mpa	105-130	38.5
QL50	1070	API 3 1/2"REG	126	2.8Mpa	105-130	70
QL60	1164	API 3 1/2"REG	148.5	3.0Mpa	152-190	101.5
QL80	1366	API 4 1/2"REG	185	3.0Mpa	203-254	195

LARGE DIAMETER DTH HAMMER

Bit Shank	Length (mm)	Thread	OD (mm)	Work Pressure	Hole Range (mm)	Weight (kg)
TK12 (NUMA120)	1698.5	API 6 5/8"REG	275	3.5Mpa	305-380	553
TK14 (NUMA125)	1954	API 7 5/8"REG	330	3.5Mpa	400-500	553
TK18 (NUMA180)	1954	HEX	406	3.5Mpa	500-600	1488
TK24 (NUMA240)	2543.5	HEX	525	3.5Mpa	600-1000	2598

Product Configuration

Top Sub

Piston

Chuck Sleeve

Global Successful Projects

Geothermal in Europe

Water Well in Mongolia

Blasting in Africa

Manufacturing Excellence

Established in 2002, our manufacturing facility spans over 60,000 square meters. We employ more than 100 technological backbone personnel and 50 experts with over 20 years of experience in DTH rock drilling tools.

Our production range includes DTH hammers and bits for holes from 3" to 43" (76-1100mm) in diameter. These tools are widely utilized in mining, water well engineering, construction, geological exploration, and geothermal drilling. All products are manufactured under the ISO9001:2015 quality management system, ensuring stable performance and reliability across global markets.

Frequently Asked Questions

Q1: Are you a professional manufacturer of drilling tools?

Yes, our manufacturing base was established in 2002 and features a 60,000 square meter workshop with over 20 years of expertise in rock drilling technology.

Q2: What is the main product range?

We specialize in DTH hammers and bits (76mm to 1000mm), drill pipes, RC tools, top hammer drilling tools, casing systems, and shock absorbers. We offer one of the widest ranges of drilling tools available.

Q3: Do you have experience with international exports?

Absolutely. As of late 2022, our products have been exported to over 100 countries including Russia, Mexico, Italy, Chile, Brazil, and South Korea.

Q4: What payment terms do you support?

We provide flexible payment options including T/T, D/A, L/C, and O/A to accommodate different client requirements.

Q5: Is OEM service available for specific requirements?

Yes, we maintain a flexible business model and provide comprehensive OEM services to meet custom technical specifications.

Q6: How is product quality ensured?

All products are produced strictly according to the ISO9001:2015 quality management system, utilizing advanced production equipment and analytical instruments for stable performance.

Product Detail

8 Inches DTH Hammer Down The Hole Hammer

Product Description