Name: tricone drill bit

Brand:SRT,kingdream,CS,lilin
Item No:ST537
Size:12 1/4" inch,311mm

Drilling formation:soft to medium hard
Processing type:forging

type:insert tooth or button tooth
tooth material:tungsten carbide

Circulation system:mud pump
Use:oil well drilling

certificate:API & ISO

AVAILABLESIZE

60mm, 65mm,76mm, 93mm, 95mm, 98mm(3 7/8"),
101.6mm,114mm, 118mm, 120mm, 127mm(5")

130.1mm(51/8"), 133.3mm(5 1/4"), 139.7mm(5 1/2"),
142.8mm(55/8"), 149.2mm(5 7/8")

152.4mm(6"),155.5mm(6 1/8"), 158.7mm(6 1/4"),
161.9mm(63/8"), 165.1mm(6 1/2")

190.5mm(71/2"), 193.6mm(7 5/8"), 200.0mm(7 7/8")

212.7mm(83/8"), 215.9mm(8 1/2"), 222.2mm8 3/4")

241.3(91/2"), 244.4(9 5/8"), 250.8(9 7/8")

269.8(105/8"), 295.3(11 5/8")

311.1(121/4"), 346.0 (13 5/8"), 349.2(13 3/4")

374.6(143/4")

381(15"),393.7(15 1/2"), 406.4(16")

444.5(171/2"), 508(20"), 558(22"), 609.6(24")

660.4(26")

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