9 1/2 TCI insert rock bit
Dia:From 3 3/4'' to 26''.Also we have hole opener.Reamer Bit.
IADC: Steel tooth Milled tooth
117(115)127(125)137(135)
217(215)317(315)327(325)
TCI-Tungsten Carbied Insert
417(415)427(425)437(435)
517(515)527(525)537(535)547(545)
617(615)627(625)637(635)
717(715)727(725)
817(815)827(825)
Bearing:Rock roller bearing,rubber sealed bearing,Metal sealed bearing.
Tricone bit introduce
1. Tricone bit cutting structure
Adopting new formula of new technology of the high quality hard alloy tooth, enhance the cutting teeth mechanical properties.
2. Tricone bit applicable
Metal seal bit stable performance, than common rubber seal bit longer life, suitable for underground power drill and high penetration rate turntable drilling.