High-Quality DHD3.5 Down The Hole Impactor DTH Hammer for Construction and Mining Factory, Quotes

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High-Quality DHD3.5 Down The Hole Impactor DTH Hammer for Construction and Mining Factory, Quotes

Product Details

Customization:	Available
After-sales Service:	Repair or Replacement
Warranty:	6 Months

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Product Description

i Basic Information

Model NO.

DHD3.5

Certification

CE, ISO 9001:2000, ISO 9001:2008

Standard

AISI, GB

Surface Treatment

Spray-Paint

Manufacturing Process

Stamping

Material

Carbon Steel

Machine Type

Drilling Tools

Color

Red, Black, Yellow, White

Bit Adapter

DHD3.5

Length

1129mm

Outside Diameter

144mm

Weight

91.5kg

Working Pressure

1.0-2.8MPa

Package Size

30.00cm * 30.00cm * 30.00cm

Production Capacity

500000PCS/Month

HS Code

8431432000

★ Product Description

High air pressure DTH hammer is a kind of down-the-hole hammer mainly used for percussive drilling in rock formation. Characterized by high air pressure and high efficiency, it is suitable for use in areas with abundant air supply. The working principle involves using compressed air to drive the piston to reciprocate in the cylinder, generating impact energy to impact the drill bit. It offers high drilling efficiency, long service life, and excellent stability for mining, quarrying, and construction.

Maximum energy delivery to bit for fast drilling and low air consumption.
High-quality alloy steel materials and advanced processing technology.
Simple, reliable inner structure for easy maintenance and assembly.
Multihead thread connecting chuck for easy bit departure.
Interchangeable with standard DTH bits and drill pipes.

⚙ Technical Specifications

Type	Model	Length (mm)	Weight (kg)	Ext. Dia (mm)	Hole Range (mm)
3.5 inch	DHD3.5	930	25	Φ82	Φ90-110
4 inch	DHD340	1030	39	Φ99	Φ110-135
	SD4	1084	40.5	Φ99
	QL4	1097	41	Φ99
	Mission40	1005	40	Φ99
5 inch	DHD350	1214	76.5	Φ125	Φ135-155
	SD5	1175	72.5	Φ125
	QL5	1147	73	Φ125
	Mission50	1110	68.5	Φ125
6 inch	DHD360	1248	100	Φ142	Φ155-190
	SD6	1261	100	Φ142
	QL6	1212	95	Φ146
	Mission60	1161	90	Φ146

DHD3.5 Specific Data:

Hammer Length (without bit)	928 mm
Top Sub Thread	API 2 3/8" REG PIN
Outside Diameter	82 mm
Working Pressure	10-17 Bar
Air Consumption	4.5-8.5 m³/min
Bit Shank	DHD3.5

📷 Detailed Photos

📦 Packaging & Shipping

? FAQ

What are the available payment methods?

We accept T/T (Telegraphic Transfer), Western Union, or L/C at sight.

How long does it take to handle an order?

Production normally takes 25 days based on quantity. If we have stock for your requested size, it takes only 2 to 3 days.

What are the suggested shipping ways?

For sample orders, we suggest express couriers like DHL/UPS/TNT/FEDEX or air freight. For bulk orders, we recommend shipping by air or sea.

How is quality control managed?

We have an experienced internal QC team. Every order undergoes strict inspection and testing before being shipped out.

What kind of after-sales service is provided?

Our team responds to inquiries within 24 hours. We provide continuous technical support and offer free replacements if a failure is confirmed due to product quality.

Are the DTH hammers interchangeable?

Yes, our HD series DTH hammers are designed to be interchangeable with standard DTH bits and drill pipes.