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Steel tooth bits, Milled tooth tricone bits 
Size from 3 7/8" to 26" 
Covers almost all IADC code. 
Stocks adequate&timely delivery 
Good quality and after-sale service 
30 years experience in tricone rock bit 
Tricone rock bits 
Keywords: tricone bits, rock bits, roller bits, three cone bits, TCI bits, Tri-cone rock bit, Drilling bits 
Tricone rock bits also named roller bits, rock bits, tricone bits, typically used in oil & gas drilling, nowadays; it is widely used also in mining, quarrying and water well drilling etc industries. 
We can supply you both TCI and steel tooth bits, the bits diameter range from 3 1/2" to 24". Tricone rock bits design can be at your request according to various IADC code... 
Our tricone bits have been used widely in oil and mining industry in China; in Europe and Middle East, they are also very popular just because of their good quality and competitive price. 
We also need a large quantity of used or scraped TCI bits and PDC bits. 
If you have interests, do not hesitate to contact me,thanks. 
Mia 
drillbits13 at zkdrilling dot com