IADC/API/TCI Tungsten Carbide / Steel Tooth /Mill Tooth Tricone Roller (Rock) Bit for Oil/Well Drilling Coal Mining/Codelco Mining Drilling
sizebit typein.mm6152.4136,127,517,537,617,0006 1/2165.1126,127,517,537,617,0007 1/2190.5126,136,216,227,517,000,000,0008 1/2215.9114,124,126,127,517,000,000,0009 1/2241.3126,127,517,537,617,0009 5/8244.5127,517,537,617,6379 7/8250.8127,517,537,617,63712 1/4311.1114,126,127,517,537,000,00013 5/83461
with IADC Code API Oil Drilling Rock Bits for Drilling
60mm,65mm,76mm,93mm,95mm,98mm(3 7/8"),101.6mm,114mm,118mm,120mm,127mm(5")130.1mm(5 1/8"),133.3mm(5 1/4"),139.7mm(5 1/2"),142.8mm(5 5/8"),149.2mm(5 7/8")152.4mm(6"),155.5mm(6 1/8"),158.7mm(6 1/4"),161.9mm(6 3/8"),165.1mm(6 1/2")190.5mm(7 1/2