Hejian Zhongcheng Drill Bit Manufacturing Co.LTD was established in 1997. Our company is a privately owned company. We have grown into a leading manufacturer of tricone bit and a supplier of high quality drilling tools & equipment. We excel at designing, manufacturing, and distributing construction industry drilling tools as well as finding customer solutions for 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.
Our company has our own brand of SRF. Our company owns a high reputation in the construction, exploration, water well, geothermal, mining, and oil & gas industries as we can provide dependability and high quality products at excellent value.
SRF products include: Tricone bit (steel tooth & TCI bit), PDC drill bit (matrix & steel body), step drag bit, HDD Reamer bit (Hole opener), stabilizer, Drill pipe, drill rod, rock auger and so on. We offer a dynamic range of products and solutions, which you can trust to meet your industry demands. By working with drilling tool designers, customer part designs, drafting, implementation to machining fabrication, assembly and distribution, we are ready to meet any of your industry drilling challenge. We know that it is important to work closely with both our customers and suppliers to develop a relationship based on trust and cooperation.
Our company machine shop uses state-of-the-art CNCs to manufacture parts with extremely high precision and accuracy. We constantly acquire and stock quality raw materials to reduce lead time of our products, and work closely with our customers to continuously improve their products in an effort to reduce their cost per foot.
Size : 3 ,4 1/8,4 5/8 ,5 1/2,5 5/8 ,6 ,6 1/8,7 7/8,7 1/2,8 1/2, 8 3/4 ,9 5/9,9 7/8,11 5/8,12 1/4 ,13 3/4, 14 3/4 ,15 1/2,17 1/2,24,26,28,30.....More is available
IADC code : 116,115,117,126,137,216,215,317,417,437,447 ,517,537,547,,617,627,637..........
Optional feature : ","T","C","L","Y","K","X""H3"............
PDC BITS, size 4 5/8 inch to 17 1/2 inch
PDC blades :4,5,6 ,7 ,8,9 blade...
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