High Air Pressure DTH Drilling Hammers (DHD, SD, QL, Mission, Numa, Cop)

• Customization: Available
• After-sales Service: Yes
• Warranty: Yes
• Model NO.: COP, DHD, SD, QL, Mission, BR
• Model: Cop, DHD, SD, Ql, Mission, Br
• Color: as Request
• Quantity: Small Quantity Is Acceptable
• Advantage: High Performance
• Product Name: DTH Hammer
• Material: Special Steel
• Transport Package: Ply-Wooden Cases for Exporting
• Specification: Grade A
• Trademark: SOLLROC
• Origin: Changsha, Hunan
• HS Code: 84314320
• Production Capacity: 1000 PCS Per Month

Product Description

We provide quality and durable DTH hammer from 2" to 12". 

Features:
The cylinders, pistons, and other spares is made of quality alloy steel with heat treatment. 
Valveless air distribution. More reliable.
Simple design of the piston. Long life.
More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.
Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
DTH hammers without footvalve can be available.
Different out diameters of out cylinder can be available.
DTH bits 60mm-381mm for above hammers can be available.

Products specifications: 

Hammers	Bit Shank	Connection Thread	Suitable bit	Working pressure	Air consumption
1-3" Middle-low pressure DTH hammers	BR1 BR2 BR3	RD40 box RD50 box API 2 3/8" Reg	¢64-¢76mm ¢70-¢90mm ¢90-¢110mm	0.7-1.75Mpa 0.7-1.75Mpa 0.7-1.75Mpa	0.7Mpa	4.5m3/min
					1.0Mpa	4m3/min
					1.4Mpa	5m3/min
3" hammers	DHD3.5 COP32/COP34 M30	API 2 3/8"Reg	¢90-¢110mm	1.0-1.5Mpa	1.0Mpa	4.5m3/min
					1.5Mpa	9m3/min
4" hammers	DHD340 COP44 QL40 SD4 M40	API 2 3/8"Reg	¢105-¢130mm	1.0-2.5Mpa	1.0Mpa	6m3/min
					1.8Mpa	10m3/min
					2.4Mpa	15m3/min
5" hammers	DHD350 COP54 QL50 SD5 M50	API 2 3/8"Reg/API 3 1/2"Reg	¢130-¢156mm	1.0-2.5Mpa	1.0Mpa	9m3/min
					1.8Mpa	15m3/min
					2.4Mpa	23m3/min
6" hammers	DHD360 COP64 QL60 SD6 M60	API 3 1/2"Reg	¢152-¢203mm	1.0-2.5Mpa	1.0Mpa	10m3/min
					1.8Mpa	20m3/min
					2.4Mpa	28.5m3/min
8" hammers	DHD380 COP84 QL80 SD8	API 4 1/2"Reg	¢200-¢279mm	1.0-2.5Mpa	1.0Mpa	15m3/min
					1.8Mpa	26m3/min
					2.4Mpa	34m3/min
10" hammers	SD10 NUMA100	API 6 5/8"Reg	¢254-¢330mm	1.0-2.5Mpa	1.0Mpa	22m3/min
					1.8Mpa	40m3/min
					2.4Mpa	55m3/min
12" hammers	DHD1120 SD12 NUMA120 NUMA125	API 6 5/8"Reg	¢305-¢381mm	1.0-2.5Mpa	1.0Mpa	30m3/min
					1.8Mpa	56m3/min
					2.4Mpa	78m3/min

About us:
We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotton good reputation from our customer all over the world, such as France, Spain, Italy, South Africa, Australia, Iran, Malaysia, etc.

Products photoes

 

Quality warranty:
Our hammers are made of high quality steel and all spares are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Package:
Using ply-wooden cases and pallet for exporting to protect products and avoid the damagement during transportation. Also we can customize package according to your special requests.

Production time:
Generally, Production time is 15 -25 days.

Transportation:
By air, By Express or By sea according to your requests.