Reverse Circulation DTH Bit for Rock Drilling 3", 4", 4.5", 5", 5.5" (RC45 / RE004 / RE543 / PR54R / RE542 / RE531 / RE545 / PR40 / PR52 / RE547 / PR54)

• Certification: ISO 9001:2000
• Standard: JIS, ASTM
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Alloy Steel
• Transport Package: Ply-Wooden Cases for Exporting
• Specification: 3inch, 4inch, 4.5inch, 5inch, 5.5inch
• Trademark: Super Diamond
• Origin: China
• HS Code: 8207199000
• Production Capacity: 10000

Product Description

About Us:
We are a professional producer and major manufacturer for rock drilling tools, whom are capable to design and manufacture according to customer's requirement on the Bit Dia\No., Air holes, carbide button shape and the bit face shape. High air pressure and low air pressure.

Thanks to our long year experienced technicians and engineers in the field for more than 15 years, whom make this into reality and meet the clients' demand accurately.


Our advantage and strongpoints:
1. Customized acceptable
2. Raw material is very high quality alloy metal, we focus on quality and care clients' concern.
3. Harden treatments 


RC bits sizes available:
 
1) 3" RC Bits: diameter (86mm-102mm), shank (RE531),
2) 4'' RC Bits: diameter (114mm-127mm), shank (RE004, RE004R),
3) 4.5" RC Bits: diameter (121mm - 133mm), shank (RE542, RE543),
4) 5'' RC Bits: Diameter (113mm-146mm), shank (RE545, PR40),
5) 5.5'' RC Bits: Diameter (133-146mm), shank (RE547, PR52, PR54, RC45, AD670)
Other sizes can be upon customer's requirements. Customized acceptable.



Reverse Circulation Hammer specifications:
1) 3" RC hammers: RE531,
2) 4'' RC hammers: RE004, RE004R,
3) 4.5" RC hammer: RE542, RE543,
4) 5'' RC hammer: RE545, PR40,   
5) 5.5" RC hammer: RE547, PR52, PR54, RC45, AD670
6) other sizes could be made by clients' request.
 

Hammer	Bit Shank	Hole Range (mm)	External Diameter (mm)	Length (without bit) mm	Weight	Connection Thread	Working Pressure
RE531	RE531	84-100	81	1069	29	3" Remet	1.0-3.0Mpa
RE004	RE004	111-127	107	1252	52	3.5"-4" Remet / 4" Metzke	1.0-3.0Mpa
RE542	RE542	113-130	109.5	1191	57	3.5"-4" Remet / 4" Metzke	1.0-3.0Mpa
RE543	RE543	120-135	116	1191	62	3.5"-4" Remet / 4" Metzke	1.0-3.0Mpa
RE545	RE545	122-135	117.5	1261	65	4"-4.5"Remet / 4"-4.5"Metzke	1.5-3.5Mpa
RE547	RE547	130-146	124.5	1270	71	4.5"Remet / 4.5"Metzke	1.5-3.5Mpa
PR40	PR40	124-142	120.5	1362	80.5	3.5"-4.5"Remet / 3.5"-4.5"Metzke	1.5-3.5Mpa
PR52	PR52	126-142	121	1227	68.5	4"-4.5"Remet / 4"-4.5"Metzke	1.5-3.5Mpa
PR52R	PR52/PR52R	130-146	124	1225	65	4"-4.5"Remet / 4"-4.5"Metzke	1.5-3.5Mpa
PR54	PR54	135-150	130	1294	84.5	4.5"Remet / 4.5"Metzke	1.5-3.5Mpa
RC45	RC45	130-146	124.5	1298	71	4.5"Remet / 4.5"Metzke	1.5-3.5Mpa
AD670	AD670	135-150	132	1339	90	4.5" Remet / 4.5" Metzke	1.5-3.5Mpa

 

Production Corners:

Package:
Carton box with foam, then into the ply-wooden cases and or pallet for protecting the products and avoid the damagement during transportation.
Customized package acceptable.

ABOUT US
Changsha Chaojingang(CJG) Machinery Manufacturing Co., Ltd (Super Diamond) is one of the best manufacturers in China's drilling tool industry. Our company has many senior mechanical design engineers with more than 20 years of design experience in the drilling tool, the production process and technology are at the first-class level in China. Our drill tools adapt the top-quality raw materials, equipped with a complete production chain, and with excellent performance during service life. The design of our hammer and bit is simple and reasonable, with the characteristics of high flat degrees, smooth holes, high rigidity, fast punch speed, low failure rate, stable drilling, high penetration rate. The drilling depth exceeded customer expectations and was well received by customers.

WHY CHOOSE US
1.Strong research and development capabilities.
   Belonging to the national high-tech enterprise,we developed China first
Generation DTH hammer without foot valve with professional R&D team and 9 invention patents. And we initiate the first Chinese drilling tool forging program, with leading product customization capabilities.

2. High quality raw materials.
  Our company has reached strategic cooperation with China's No.1 cemented carbide factory, processing the best quality raw materials into the best quality products to global users.

3.High-level production technology and strict quality management.
  Our company has the whole process of drilling tools production line,and established a perfect ISO9001 management system, to ensure the precision of the product.

4.Professional service.
  We have professional pre-sales service, which can tailor more efficient drilling products for you according to your air compressor, drill rig and rock conditions.on the premise of ensuring quality, we can provide customers with the best price. We have standardized after-sales service .


PRODUCTION PROCESS

OUR HONOR

Production Lead-time:
Generally need 15-30 days.


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