• 7 7/8 Roller Cone Drill Bit for Oil Well Drilling Bits Manufacture
  • 7 7/8 Roller Cone Drill Bit for Oil Well Drilling Bits Manufacture
  • 7 7/8 Roller Cone Drill Bit for Oil Well Drilling Bits Manufacture
  • 7 7/8 Roller Cone Drill Bit for Oil Well Drilling Bits Manufacture
  • 7 7/8 Roller Cone Drill Bit for Oil Well Drilling Bits Manufacture
  • 7 7/8 Roller Cone Drill Bit for Oil Well Drilling Bits Manufacture

7 7/8 Roller Cone Drill Bit for Oil Well Drilling Bits Manufacture

Customized: Customized
Standard: JIS, AISI, API
Length: Taper-length
Type: Core Drill Bit
Material: Tungsten Carbide
Usage: Well Drilling
Customization:

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Basic Info.

Model NO.
537
Size
7 7/8
Connection
API Reg
Color
Blue
Customerized
Yes
IADC
517
Weight
42
Seal
Rubber
Formation
Medium Hard
Certificate
SGS
Package
Wooden Case
Transport Package
Wooden Box
Specification
25X23X42
Trademark
HJ
Origin
Cangzhou, China
HS Code
82071990
Production Capacity
5000/Year

Product Description

7 7/8 roller cone drill bit for oil well drilling bits manufacture
7 7/8 Roller Cone Drill Bit for Oil Well Drilling Bits Manufacture

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
               
                 
                 
                 


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

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Management System Certification
ISO9001:2008
OEM/ODM Availability
No