Egwu nha nha IDC216 6.5 sentimita (165mm) maka igwu mmiri

Far Eastern nwere ike ikpuchi ihe fọrọ nke nta ka ọ bụrụ koodu IDC niile.The triocne bit nwere ngwa ngwa mkpọpu ngwa ngwa.The pụrụ ịdabere na-ebu usoro na ogologo na-arụ ọrụ nwere ike ịzọpụta mkpọpu ego.
13 5/8" Steel eze tricone bit
Isi ihe:
1. nha sitere na 3 7/8" ruo 26".
2. Na-ekpuchi ihe fọrọ nke nta ka ọ bụrụ koodu IDC niile.
3. Tungsten carbide ntinye ihe nkedo nke ike dị elu na ike siri ike na-eji mee ka mmegide mmetụta nke ndị na-egbu ihe na-ebelata ma belata ọnụego nkwụsị.
4. Atụmatụ nke TCI ibe n'ibe na-eduga ya mkpọpu e guzobere fọrọ nke nta bụ siri ike nkume, dị ka limestone, dolomite, chert, siri ike sandstone, siri ike anhydrite, wdg.
3. A na-eji ya eme ihe na nchọpụta mmanụ, nyocha nke Ngwuputa, igwu mmiri nke ọma, okpomọkụ dị n'okpuru ala, hydrology, wdg.
3. Enwere ike ịmepụta ibe n'ibe dịka usoro pụrụ iche gị si dị.
5. Ngwaahịa anyị nwere àgwà a pụrụ ịdabere na ya na ọnụahịa asọmpi
6. A na-achọta ngwaahịa ọhụrụ na nke eji eme ihe.