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Factory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill Bit

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Factory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill Bit

Brand Name : JSBIT

Model Number : 7 7/8inch 200mm

Certification : API and ISO standard

Place of Origin : Heibei province China

MOQ : 1 pcs

Price : bargain

Payment Terms : Western Union, T/T

Supply Ability : 500PCS /month

Delivery Time : 1 days

Packaging Details : Fumigation-free export wooden box

Product Name : tricone drill bit，Tic bit，oil drill bit

Application : Coal mining, quarry drilling, drilling

Product process : Forging and heat treatment

Bearing : open bearing type,air bearing type,air cool bearing type

material : 20GrNiMo and tungsten carbide

Warranty : more than 80 hours

standard : API and ISO

Usage : HDD drilling, oil drilling, crossing strata, water well drilling.

Machinable size : 7 7/8inch 200mm

country of origin : hebei，china

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Factory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill Bit

JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and tungsten carbide insert, in sizes from 37/8" to 36", for use in all formations, with any bearing: seal type / air type , tricone bits apply to oil gas geothermy mining water HDD and foundation industry.

Main features:

1. Cutting Structure of this type sealed and non-sealed tci tricone bits

Tungsten carbide insert tricone bit : tungsten carbide alloy steel

Steel tooth tricone bit : Enhancing the wear-resistance of cutting tooth by welding new type of wear resistant material on the tooth surface of steel tooth bit. Reinforcing the comprehensive mechanical properties of cutting tooth by using high quality tungsten carbide inserts of new formula and new techniques of insert bit.

2. Gauge Structure of this type tci tricone rock bits:

Gauge Structure

The multiple heel position with gauge trimmer on the heel, tungsten carbide and hardfacing on the shirttail, strengthened spear point will enhance the gauge protection.

IADC Recommended parameters Applicable strata
WOB KN/mm Rotating speed r/min
116,117 0.35-0.8 150-80 Extremely soft formations with high compressive strength and drillability, such as clay, mudstone, chalk
126,127 0.35-0.9 150-70 Soft formations with high compressive strength and drillability, such as mudstone, gypsum, salt rock, soft shale, soft limestone
136,137 0.35-1.0 120-60 Soft to medium-soft formations with high compressive strength and high drillability, such as medium-soft shale, anhydrite, medium-soft limestone, medium-soft sandstone and soft formations with hard interlayers
216,217 0.4-1.0 100-60 Soft to medium formations with compressive strength, such as soft shale, medium soft limestone, medium soft sandstone and soft formations with hard interlayers
246,247 0.4-1.0 80-50 Medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite
417,437,447 0.35-0.9 150-70 Very soft formations with high compressive strength and drillability, such as clay, mudstone, chalk, gypsum, salt rock, soft shale, soft limestone
517,527 0.35-1.0 140-60 Soft formations with high compressive strength, such as mudstone, gypsum, salt rock, soft shale, soft limestone
537,547 0.45-1.0 120-50 Soft to medium formations with compressive strength, such as medium-soft shale, medium-soft limestone, medium-soft sandstone and medium formations with effective hard abrasive interlayers
617,627 0.45-1.1 90-50 Medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite
637 0.5-1.2 80-40 Hard formations with high compressive strength, such as sandstone, limestone, dolomite and anhydrite, marble

Factory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill BitFactory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill BitFactory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill Bit

Factory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill Bit

Factory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill BitFactory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill BitFactory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill Bit

Factory 7 7/8inch 200mm IADC642 Open Bearing Type Tricone Drill Bit

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Product Tags:

200mm Tricone Drill Bit

      

Open Bearing Tricone Drill Bit

      

7/8inch Tricone Drill Bit

      
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