API 14 3/4 Steel Tooth Drill Bit Roller Bits

• Customization: Available
• Customized: Customized
• Standard: API
• Model NO.: 217
• Length: Taper-length
• Type: Core Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Size: 14 3/4
• IADC: 217
• Connection: API Reg
• MOQ: 1
• Package: Wooden Box
• Use: Water Well
• Formation: Soft Formation
• Transport Package: Wooden Box
• Trademark: HJ
• Origin: China
• HS Code: 82071990
• Production Capacity: 5000/Year

Product Description

API 14 3/4 steel tooth  Drill Bit Roller Bits 

1 Specifications:


Size17 1/2"
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