12 1/4 Tricone Drill Bit for Water Well Drilling Bits

• Customized: Customized
• Standard: BIN, JIS, AISI, API
• Type: Core Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Size: 12 1/4
• Model NO.: 537
• IADC: 537/547
• Sela Type: Rubber Seal
• D: 311.1mm
• Color: Blue
• Weight: 101kg
• Guarteen Time: 3 Years
• Jet Nozzle: 3
• Connection: API Reg
• Formation: Medium to Hard Formations
• Transport Package: Wooden Box
• Specification: 36x33x52cm
• Trademark: HJ
• Origin: Cangzhou, China
• HS Code: 82071990
• Production Capacity: 5000/Year

Product Description

12 1/4 tricone drill bit for water well drilling bits

1 Specifications:





Size12 1/4"
IADC517
Bearing TypeElastomer sealed journal bearing
Thread Connection7 5 /8" reg pin
WOB(KN/mm)0.45~1.0
RPM(r/min)120~50
Applicable Formations medium to hard hardness formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc
Circulation systemMud pump
2. Deatail:

Available sizes:

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"), 193.6mm(7 5/8"), 200.0mm(7 7/8")
212.7mm(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")
269.8(10 5/8"), 295.3(11 5/8")
311.1(12 1/4"), 346.0 (13 5/8"), 349.2(13 3/4")
374.6(14 3/4")
381(15"), 393.7(15 1/2"), 406.4(16")
444.5(17 1/2"), 508(20"), 558(22"), 609.6(24")
660.4(26")
Available models:


Steel tooth
(IADC)111, 121, 131
117, 124, 126, 127, 136, 137
211, 311
216, 217, 227
TCI
(IADC)415, 435, 417, 437
515, 525, 535, 545, 517, 527, 537, 547
615, 625, 635, , 617, 627, 637, 737
512, 522, 532, 612, 622, 632, 732