API Elastomer Li-tricone bit tse koetsoeng tse nang le sekwahelo sa IADC517, IADC527, IADC537 li loketse moreki oa oli ea USA.

Boiteko ba ho Cheka Bochabela bo Hole bakeng sa bokhabane, ho ikopanya le bareki", ho tšepa ho ba basebetsi ba tšebelisano-'moho e ntle ka ho fetisisa le khoebo e busang basebetsi, bafepedi le bareki, ho hlokomela karolo ea bohlokoa le papatso e tsitsitseng bakeng sa botumo bo phahameng ba Oilwell Drilling Rotary Bit 7 7/8 IADC517, IADC527, IADC537 Hard Rock Tricone Bit bakeng sa Oilwell e nang le Elastomer Sealed Bearing, lihlahisoa tsohle li hlaha ka boleng bo holimo le litharollo tse ntle tsa kamora thekiso. Tse shebaneng le 'maraka le tse shebaneng le bareki ke seo re ntseng re se latela hona joale. Lula ka tieo bakeng sa tšebelisano-'moho ea Win-Win.