... Cone Bits ,matrix body PDC bits,steel body ...3.API Tricone Rotary Bits1,Types: steel tooth tricone ... metal sealed(HJ) rubber sealed(HA) not sealed(W)11,Formation: soft formation, soft to medium hard ... and soft li mestones. Size and IADC available: 3 3/4" to 26" IADC 415,435,445,417 ... 8 3/8”),215.9mm(8 1/2”),222.2mm8 3/4”) 241.3(9 1/2”),244.4(9 ... 5/8”),250.8(9 7/8”) ...