China DHD350 Down The Hole Impactor DTH Hammer for Construction and Mining Manufacturers, Factories

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China DHD350 Down The Hole Impactor DTH Hammer for Construction and Mining Manufacturers, Factories

Product Details

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

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Product Description

📋 Basic Information

Model NO.

DHD 350 DTH Hammer

Certification

CE, ISO 9001:2000, ISO 9001:2008

Standard

AISI, GB

Surface Treatment

Spray-Paint

Material

Carbon Steel

Machine Type

Drilling Tools

Bit Adapter

DHD350

Outside Diameter

125mm

Weight

78.5kg

Working Pressure

1.0-2.5MPa

Production Capacity

500000PCS/Month

📦 Packaging & Delivery

Package Size

30.00cm * 30.00cm * 30.00cm

Gross Weight

5.000kg

Transport Package

Wooden Case

⚙️ Product Description

High air pressure DTH hammer is a kind of down-the-hole hammer. It is mainly used for percussive drilling in rock formation. It is characterized by high air pressure and high efficiency. It is suitable for use in areas with abundant air supply. The working principle of the high air pressure DTH hammer is to use compressed air to drive the piston to reciprocate in the cylinder, thereby generating impact energy to impact the drill bit and drill into the rock formation.

The high air pressure DTH hammer has the advantages of high drilling efficiency, long service life, and good stability. It is widely used in mining, quarrying, construction and other fields.

✔ Deliver maximum energy to drilling bit, fast drilling speed and low air consumption.
✔ Smooth performance and long service life due to high quality alloy steel.
✔ Low problem rate and easy maintenance due to simple inner structure.
✔ Easy to depart bit from hammer with multihead thread connecting chuck.

Main Applications:
• Water well drilling & Bench drilling
• Mining / Mineral Exploration
• Oil well drilling & Civil Engineering
• Penetrate 15% to 30% faster than standard tools

📊 Technical Specifications

Type	Model	Length (mm)	Weight (kg)	External 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

DHD350 DTH Hammer Details:

Top sub thread

API 23/8" REG PIN

Air consumption

9-15(M3/min)

Bit shank

DHD350

📸 Product Gallery

❓ Frequently Asked Questions

1. What payment methods are accepted?

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

2. What is the standard handling time for an order?

Based on the order quantity, production normally takes about 25 days. If the requested size is in stock, it only takes 2 to 3 days.

3. What are the available shipping methods?

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

4. How is quality control managed?

We have our own experienced QC team. There are strict inspections and testing for every order before it is shipped out.

5. What kind of after-sales service do you provide?

Our sales team responds to questions within 24 hours. Technical support is available at any time, and free replacements are provided if a failure is confirmed to be caused by product quality.

6. Are high and low pressure hammers both available?

Yes, both low pressure and high pressure hammers are available in our product range to suit different drilling rig requirements.