AMRS series tricone bit drilling bits

For more details, pls contact sales05(at)cdhptec.com AMRS series tricone bit drilling bits AMRS series bit adopts rubber seal with roller bearing, which is the ideal and economical tool for drilling applications where middle to low WOB and high RPM are required. The size range of AMRS series bit is 12 1/4 - 17 1/2 inch such as 12 1/4, 12 3/4, 13 3/8, 13 1/2, 13 5/8, 14 1/2, 14 3/4, 15 1/2, 16, 17 1/2 and its IADC code is 114 - 545, such as 114, 115, 125, 135, 145, 215, 225,