... Cone Bits ,matrix body PDC bits,steel body ...3.API Tricone Rotary Bits1,Types: steel tooth tricone bit ... long widely spaced ,chisel-shaped inserts and considerable cone axis offset against center line of bit ensure very high ... salts and soft li mestones. Size and IADC available: 3 3/4" to 26" IADC 415,435,445,417,437 ... can provide: 60mm,65mm,76mm,93mm,95mm,98mm(3 7/8”),101.6mm,114mm,118mm,120mm,127mm(5 ...