Pr 40 Drill Bit

• Customization: Available
• Certification: ISO 9001:2000, ISO 9001:2008
• Surface Treatment: Spray-Paint
• Material: Alloy Steel
• Connection Thread: API 3 1/2" Reg
• Hole Range: Dia 155 - 190 mm
• Working Pressure: 1.0 - 2.5MPa
• Compatible Bit Shank: Mission60 / Cm60A
• Transport Package: Ply-Wooden Cases for Exporting
• Specification: 2 inch to 12 inch
• Trademark: Super Diamond
• Origin: China
• HS Code: 8207199000

Product Description

Advantages:

1. Our products can match over 95% against the original products.
2. High quality raw material, with premium hardened procedures for long life.
3. Full production chain to secure stable and prompt production leadtime.
4. Experienced senior technicians and long year experienced workers and engineers.
5. Customized acceptable and quick and efficient service.
6. Price are competitive against the famous brands and best quality against the small factory.
7. 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.

The advantages of hammers without foot valve against with foot valve:
1. No more worries on the foot valve breakage or distortion or expansion due to the abrasion or high tempreture.
2. Higher impact rate, lower energy consumption, around 15-30% higher drill speed than the one with foot valve
3. Remain simple design, and reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption, oil consumption can be around 10% lower than the one with foot valve.
5. Strongly recommond.

Product Photos:

Products Specifications:

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

Production Process Flow Chart:


About Us:

We are a leading manufacturer for various of rock drilling tools, incl. DTH hammers and bits, RC hammers and bits, top hammer button bits, ODEX etc. Our factory locates in LiuYang city, HuNan province, China, where occupies an area of 26,600 square meters, and production facility occupies 22,000 square meters.

Premium quality, professional serivce and competitive price, we get very good reputation from our worldwide customers, not only from the domestic, but also from Brazil, Peru, South Africa, Australia, Turkey, Russia, Ukraine, Korea etc..

Factory Overview:
Our Team and Exbition:


Certificate:
Quality Warranty:

Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Package and Shipping:

Frequently Asked Question:   

1.Are you a manufacturer or a trade company?

We are a manufacturer of rock drilling equipments and pneumatic tools in China.

2.How many workers in your factory?and what is your company scale?

We have more than 100 employees, including factory workers,sales people,QC ,R&D and management team.
With a land area of 26600 m2and workshop sapce of 22000 m2.We are equiped with over 400 sets of different advanced equipments and facilities required for manufacturing rock drilling machine and pneumatic tools.Over 50-70% for export which covers most of the global markets including Korea,Malaysian,Australia,Russia,Middle Asian,East,Europe,South America,and Africa etc..

3.Where are your company?

We are located in Changsha city,Hunan province,where our first chairman Mao was born.1 and half hours by car from the nearest Huanghua international airport,2 and half hours by CHR express from Guangzhou nan station to Changsha city.

4.Why choose CJG DRILL?

1)We have more than 17 years of researching,developing, manufacturing  and exporting high quality rock drilling equipments and penumatic tools to the global market.

2)High quality compatible with Robit, Atlas Copco,Ingersoll Rand etc...

3)Unbeatable price

4)Excellent service.

5.Which port do you shipping from?

We usually ship container from Shanghai port.Guangzhou port is available too.

6.Can you accept OEM & ODM ?

Yes, both of them are acceptable.

7.What is your minimum order quantity?

Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity.

8.What is your payment term?

We can accept T/T, L/C at sight, West union and in cash.

9.How about the delivery time?

It all depends,generally it takes about one month both in peak and off season.

10.Could we make a schedule of an appoinment with your company?

Definitely.You are the most welcome.Please inform us your arrival time in any place of China and initial routine in advance.We can reserve the hotel,offer pickup service from Changsha Huanghua airport or the CHR Express station unpon your arrival and after the appoinment.Be our guest then!

Weclome our dearest customers to Visit our factory and to choose our great product ranges!