API Elastomer Nke a na-akpọ tricone bit IADC517, IADC527, IADC537 dị njikere maka ndị ahịa USA oilwell.

Ọ na-agba mbọ maka ịdị mma, na-azụ ndị ahịa, "na-atụ anya ịbụ ndị ọrụ mmekorita kacha mma na ụlọ ọrụ kachasị ike maka ndị ọrụ, ndị na-ebubata ngwaahịa na ndị ahịa, na-enweta òkè bara uru na ahịa na-aga n'ihu maka aha ọma Oilwell Drilling Rotary Bit 7 7/8 IADC517,IADC527,IADC537 Hard Rock Tricone Bit maka Oilwell nwere Elastomer Sealed Bearing, ngwaahịa niile na-apụta na ezigbo mma na ngwọta kachasị mma mgbe erechara ahịa. Ihe anyị na-agbaso ugbu a bụ ihe anyị na-agbaso. Nọrọnụ n'ezi obi maka mmekorita Win-Win.