(M122)

 

Soft and Medium Formation

Deep blade and short parabolic configuration ,ensure optimal bottom hole flow pattern and anti-balling .

Balanced flow hydraulics make the bit have good direction nature ,smaller radials are shaken .

Suitable for extremely soft to medial soft formation .

 

(M222)

 

Soft and Medium Hard Formation

Deep blade and long parabolic configuration ,ensure optimal bottom hole flow pattern and anti-balling .

Anti –whirl design improves ROP and enhances the drilling stability .

Arc blade and spiral gauge enhance the cutting capability and the drilling stabilization .

Medial cutter density design is suitable for soft to medial formations .

 

Hejian ZhongCheng Drill Bit Manufacture Co.,LTD
Origion	Beijing (China mainland)
Brand	SRF
Certificate	API
Type	Drilling bit
Bearing type	Sealed bearing
Formation	Soft to hard formation
Application	Well drilling
Product	Size	IADC CODE
TCI Tricone Bit (TCI BIT)	3 7/8 ,5 1/2, 6 1/2 7 7/8,8 1/2,8 3/4 10 5/8,12 1/4 13 3/4, 17 1/2, 22, 24,26 ect	417 427 437 517 527 537 617 637 737
Steel Tooth Bit	3 7/8 ,5 1/2, 6 1/2 7 7/8,8 1/2,8 3/4 10 5/8,12 1/4 13 3/4, 17 1/2, 22, 24,26 ect	115 116 117 215 216 217 315 316 317 325 327
PDC BIT (3 blades,4 blades, 5 blades,6 blades)	5 1/2, 6 1/2 7 7/8,8 1/2,8 3/4 10 5/8,12 1/4 13 3/4, 17 1/2, ect	M223,M322,M316, M222,M416,M122

 

Hejian Zhongcheng Bit Manufacturering Co.LTD. .(SRF) was established in 1997. It is a privately owned and proudly company. We have grown to become a leading manufacturer of tricone bit and supplier of high quality drilling tools & equipment, and we excel in designing, manufacturing, and distributing construction industry drilling tools as well as finding custom solutions to complex problems. Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop.

Hejian Zhongcheng Bit Manufacturering Co.LTD, our brand " SRF" maintains a strong reputation in the construction, exploration, water well, geothermal, mining, and oil & gas industries as a company that can provide dependability and high quality products at excellent value.

" SRF" includes: Tricone bit( steel tooth & TCI bit),PDC drill bit (marix & steel body),step drag bit,HDD Reamer bit (Hole opener),Stabilier,Drill pipe,drill rod,Rock Auger,……

Our broad spectrum of customers allows us to offer a dynamic range of products and solutions, you can trust us to meet your industry"s demands. From working with drilling tool designers, custom part design, drafting, implementation to machining fabrication, assembly and distribution, we are ready to meet any of your industry"s drilling challenges. At " ZHONGCHENG" we feel it is important to work closely with both our customers and suppliers to develop a relationship based on trust and cooperation.

Our company"s machine shop uses state of the art CNC's to manufacture parts to extremely high precision and accuracy. We constantly acquire and stock quality raw materials to reduce lead times on our products, and work closely with our customers to continuously improve their products in an effort to reduce their cost per foot when drilling.

" Hejian Zhongcheng Bit Manufacturering Co.LTD. (SRF)" has a large machine shop with numerous high quality CNC Lathes and Mills including a 4 Axis 26" Diameter Spindle Bore Lathe. We have a large welding area, and commonly preform ARC, MIG, TIG and pressure welding applications. So if you have any request for the Drill bits,drilling tools,please Call us or send inquiry to US at any time.