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Hard Rock 6 3/4" IADC 632 Blasthole Tricone Drill Bit For Oil Drilling Machine

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Hard Rock 6 3/4" IADC 632 Blasthole Tricone Drill Bit For Oil Drilling Machine

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Brand Name : MIROC

Model Number : IADC 632

Certification : SGS, ISO certification

Place of Origin : China

MOQ : 1pcs

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 10000pcs per month

Delivery Time : 25-30 days

Packaging Details : Wooden box

Material : Tungsten Carbide buttons, Steel Buttons

Color : Blue, Golden, Green, Red

Application : Water well

Processing Type : Forging

Product type : Drilling Tool

Formation : Soft, medium hard, hard

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6 3/4" IADC 632 blasthole bit tci tricone bit oil drilling machine/hard rock drilling bits


Hard Rock 6 3/4" IADC 632 Blasthole Tricone Drill Bit For Oil Drilling Machine



The soft formation TCI tricone bits are used to drill low compressive strength, very soft formations. This bit maximized to use of both conical and chisel tungsten carbide inserts of large diameters and high projection. This cutting structure design, combined with maximum cone offset, results in high bit penetration rates. The deep intermesh of cutter rows prevents bit bailing in sticky formations.

Medium formation TCI tricone bits:
The medium formation TCI tricone bits features aggressive chisel tungsten carbide inserts on the heel rows and inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard for mations. The HSN rubber O-ring provides adequate sealing for bearing durability.

Hard formation TCI tricone bits:
The hard formation TCI tricone bits can be used to drill hard and abrasive formations. Wear resistance
tungsten carbide inserts are used in the outer rows to prevent loss of bit gauge. Maximum numbers of
hemispherical shaped inserts are used in all rows to provide cutter durability and long life.
Medium hard formation TCI tricone bits:
The medium hard formation TCI tricone bits features robust chisel tungsten carbide inserts on the heel row and conical on the inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard formations. The HSN rubber O-ring provides adequate sealing for bearing
durability.

Description of drill bit

(1) Cutting Structure of this series tricone rock bit :
The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.

(2) Gauge Structure of this series tricone rock bit :
Multiple gauge protection with gauge trimmers on heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

(3)Bearing Structure of this series tricone rock bit :
High precision bearing with two thrust faces. Balls lock the cone.Hardface heard bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved and suitable for high rotary speed.

(4)Seal and Lubrication of this series tricone rock bit :
The advanced metal seal package consists of two metal seats and two elastic energizers. Compressed energizers ensure good contact being kept on two sealing surfaces of metal rings by elastic force, and achieve the bearing seal. In the drilling, metal seal are relatively dynamic, and the energizers are static. This will improve the reliability and durability of bearing seal. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.

Main product

(1) IADC code: 116 117 126 127 136 137 216 217 226 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347 417 427 437 517 527 537 617 627 637 737 837 832 415 425 435 445 525 625 635 416 427 436 446 447 516 526 537 547 516 536 535

(2) Sizes: From 2 7/8 to 26"larger sizes for hole opener bit ,reamer bit

(3)bearing type: sealed bearing and non-sealed bearing ;HJ(metal sealed journal bearing) ;HA (rubber sealed journal bearing ;aircooled bearing type

(4)formation or layer: soft ,medium soft ,hard,medium hard,very hard formation



Product features:
Tungsten carbide insert bit, TCI bit, button bit Sizes range from 3 7/8" to 26" .
Reliable bearing and lubrication system


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6 3/4" (171mm) IADC 632 Hard Rock 6 3/4" IADC 632 Blasthole Tricone Drill Bit For Oil Drilling Machine
Product Specfication
Type: Tricone
Bearing Type: Air Circulation
Configuration: Roller-Ball-Roller
Cutting Structure: TCI
Gauge Rows: Conical
Inner Rows: Bullit
Nose Rows: Conical
Surf Rows: Round
Bit Connection: 3 1/2" REG API
Circulation Type: Jet Nozzle
Head Type: Full Armor
Hardfacing: Standard
Armor: Round(TCI)
Head Feature: Fluid Dynamic Profile
Reaming: None
Bit Weight: 44 lbs/20kg
Recommend Operating Parameters
Rotary Speed: 50 - 90 rpm
Weight on Bit: 25,000 - 55,000 lbs
Drilling Application
1. The 6 3/4" IADC 632 blasthole bits are designed for drilling hard to very hard formations, with rock compressive strength ranging from 25,000 to 60,000 psi.
2. Formation drilled may consist of hard shale, hard limestone, quartzite, slate, taconite and basalt.


Hard Rock 6 3/4" IADC 632 Blasthole Tricone Drill Bit For Oil Drilling Machine
Hard Rock 6 3/4" IADC 632 Blasthole Tricone Drill Bit For Oil Drilling Machine



Other products

IADC WOB RPM Application
(KN/mm) (r/min)
111/114/115 0.3-0.75 200-80 very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk
116/117 0.35-0.8 150-80 very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk
121 0.3-0.85 200-80 soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone
124/125 180-60
131 0.3-0.95 180-80 soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds
136/137 0.35-1.0 120-60
211/241 0.3-0.95 180-80 medium formations with high compressive strength, like medium, soft shake, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbeds.
216/217 0.4-1.0 100-60
246/247 0.4-1.0 80-50 medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite
321 0.4-1.0 150-70 medium abrasive formations, like abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble
324 0.4-1.0 120-50
437/447/435 0.35-0.9 240-70 very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk, gypsum, salt, soft limestone
517/527/515 0.35-1.0 220-60 soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone
537/547/535 0.45-1.0 220-50 soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds
617/615 0.45-1.1 200-50 medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite
637/635 0.5-1.1 180-40 hard formation with high compressive strength, like limestone, sandstone, dolomite, hard gypsum, marble
Note: Above limitts of WOB and RRPM should not be used simultaneously

IADC

WOB
(KN/mm)

RPM
(r/min)

Applicable Formations
437/447/435 0.35~0.9 240~70

Very soft formations with low compressive strength and high drillability,
such as clay, mudstone, chalk, gypsum, salt, soft limestone, etc.

517/527/515 0.35~1.0 220~60

Soft formations with low compressive strength and high drillability,
such as mudstone, gypsum, salt, soft limestone, etc.

537/547/535 0.45~1.0 220~50

Soft to medium formations with low compressive strength,
such as medium, soft shale, medium soft limestone,
medium soft sandstone, medium formation with harder and abrasive interbeds, etc.

617/615 0.45~1.1 200~50

Medium hard formation with high compress strength,
such as hard shale, limestone, sandstone, dolomite. etc

637/635 0.5~1.1 180~40

Hard formations with high compressive strength,
such as sandstone, limestone, dolomite ,hard gypsum, marble, etc.

Note: The upper limits of WOB and RPM in above table should not be used simultaneously.




Hard Rock 6 3/4" IADC 632 Blasthole Tricone Drill Bit For Oil Drilling Machine
Hard Rock 6 3/4" IADC 632 Blasthole Tricone Drill Bit For Oil Drilling Machine


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diamond drill bit

      

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