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| We supply API certified oilfield drilling rigs, workover rigs, drawworks, wire rope, drill line, DC motor, AC motor, YM Hydranlic Catheads, ZP series rotary table, hydraulic winches, air winches, hydraulic power units, rotary hoses, crown block, sheave, traveling block, hooks, deadline anchor, top drive spare parts, drill pipe elevator, casing elevator, drill collar elevator, tubing elevator, sucker rod elevator, slip type elevator, single joint elevator, SE spider, links, perfection link, manual tong, casing tong, dies, power slip, manual slip, Kelly bushing, iron roughneck, power tong, hydraulic power tong unit, Kelly spinner, ram BOP, annular BOP, diverter, BOP control system, BOP control line, Conflex hose, spacer spools, adapter spools, double studded adapter flanges, drilling spool, choke and kill manifold, gate valves , butterfly valves, shale shakers, screens, desander, Centrifugal pumps, Vacuum degassers, Mud cleaners, Desilters, Shearing pumps, Centrifuges, Agitators, Mixing pumps, Poorboy degasser/Mud gas separator, screw pump, Venturi hopper, Submersible slurry pump, Flare igniter, Mud gun, Mud tanks, F-Series Triplex Mud Pump, 3NB Series Triplex Mud Pump, Unitized Mud Pump Package, Mud pump Spare parts such as Discharge Filter Assembly, Clamp of Mud Pump, Piston Assembly, Cylinder Head and Valve Cover, Guide plate, Plug Board Assembly, Air chamber assembly, Shear Relief Valve, Liner of Mud Pump, Cross Head of Mud Pump and Other parts Liner hanger, Cement head, Float collar and float shoe, Cementing plug, Casing Packer, Casing Centralizer, Mill shoe, Stop collar, Double pump cementing units, fracturing pumping units, Completion tools, pumping units, sucker rods, sucker rod pumps, screw pumps, submersible motors, X-mas tree, tubings, drill pipes, drill collars, heavy weight drill pipes, Kelly, stabilizers, drilling jars, bit subs, X-over subs, hole openers, casing and tubing drifts, casing scrapers, drilling instrument and electrical System, oilfield camp houses, drilling instrumentation and electrical system. Please send email to us if you need any information. |
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| Drill Pipe |
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- Drill Pipes are strictly fabricated according to API 5D (for pipe body) and SPEC 7 (for tool joint)
- Connections are phosphatized or copperized in order to reduce the possibility of connection galling
- Hard banding will be provided if necessary There are many kinds of hard banding that we can provide such as iron-matrix power Alloy, Arnco-100 XT
- Internal coating is provided in order to prolong its service life including TK34, TK34P, and DPC
- Press steel protectors are provided for pin and box tool joint
- API monogram can be used
- Packing mode: plastic frame system
Production Process of Drill Pipe
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Pipe Body
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Friction Welding
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Induction Post-weld Heat-Treating
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Non-destructive Examination
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Standard Size and Connections of Drill Pipes
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OD
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Grade
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Wall Thickness
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Upset Ends,forWeld-on ToolJoints(see note)
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Tool Joint
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inch
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mm
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inch
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mm
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2 7/8
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73
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E X G S
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0 217
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5 51
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EU
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NC31
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0 308
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7 82
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EU
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NC31 NC26
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0 362
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9 19
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EU
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NC31
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3 1/2
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88 9
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E X G S
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0 254
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6 45
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EU
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NC38
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0 368
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9 35
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EU
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NC38 NC40
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0 449
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11 4
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EU
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NC38 NC40
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4
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101 6
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E X G S
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0 262
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6 65
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EU IU
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NC40 NC46
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0 33
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8 38
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EU IU
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NC40 NC46
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0 38
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9 65
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EU IU
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NC40 NC46
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4 1/2
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114 3
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E X G S
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0 271
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6 88
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EU IEU
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NC46 NC50
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0 337
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8 56
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EU IEU
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NC46 NC50
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0 43
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10 92
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EU IEU
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NC46 NC50
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0 5
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12 7
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EU IEU
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NC50
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0 55
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13 97
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EU IEU
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NC50
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0 575
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14 61
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EU IEU
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NC50
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5
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127
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E X G S
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0 296
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7 52
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IEU
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NC50
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0 362
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9 19
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IEU
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NC50
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0 5
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12 7
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IEU
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NC50 5 1/2FH
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5 1/2
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139 7
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E X G S
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0 304
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7 72
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IEU
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5 1/2 FH
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0 361
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9 17
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IEU
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5 1/2 FH
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0 415
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10 54
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IEU
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5 1/2 FH
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6
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152 4
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E X G S
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0 324
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8 23
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IEU
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5 1/2 FH
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0 38
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9 65
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IEU
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5 1/2 FH
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6 5/8
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168 3
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E X G S
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0 33
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8 38
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IEU
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5 1/2 FH
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0 362
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9 19
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IEU
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5 1/2 FH
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 Note
1 EU- External Upset; IEU- Internal & External Upset
2 Internal coating and hardbanding option upon order
Pup Joint
All pump joints are made from modified alloy steel heat-treated to a Brinell Hardness range of 285–341 with a Charpy V-Notch minimum impact strength of 40 ft-lbs at 70°F guaranteed to one inch below the surface Connections can be cold rolled after machining, if requested All connections are phos-coated to prevent galling during initial make-up
Nominal size: 3 1/2''OD ~ 6~ 5/8'' OD, Length: 5', 10', 15', 20'
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Technical Specificatons fo Pup Joints
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Nominal Size
A(in)
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Tool Joint OD
B(in)
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Tool Joint ID
in
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Pin TJ Tong
C(in)
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Box TJ Tong
D(in)
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Conn
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2-3/8
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3-3/8
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1-1/2
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9
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12
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NC26
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2-7/8
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4-1/8
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2-1/8
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9
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11
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NC31
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3-1/2
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4-3/4
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2-9/16
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10
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12-1/2
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NC38
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3-1/2
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5
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2-1/8
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10
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12-1/2
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NC38
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4
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5-1/4
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2-11/16
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9
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12
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NC40
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4-1/2
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6-1/4
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3
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9
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12
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NC46
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5
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6-1/2
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3-1/4
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9
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12
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NC50
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5
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6-5/8
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2-3/4
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9
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12
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NC50
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5
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6-5/8
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3-1/4
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9
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12
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NC50
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5-1/2
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7-1/4
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3-1/2
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8
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10
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5-1/2 FH
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5-1/2
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7-1/2
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3-1/2
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10
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12
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5-1/2 FH
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6-5/8
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8-1/2
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4-1/4
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8
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10
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6-5/8 FH
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6-5/8
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8
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5
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8
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10
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6-5/8 FH
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