• 15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well
  • 15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well
  • 15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well

15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well

Surface Treatment: Spray-Paint
Manufacturing Process: Forging
Material: Carbon Steel
Bit Size: 15 1/2"(393.7mm)
Thread: 7 5/8"Reg
Bearing Type: Journal Bearing

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Basic Info.

Model NO.
iadc637
Sealed Material
Rubber/Metal
Formatiom
Soft to Hard Rock
Color
Blue,Golden
Warranty
180hours
Advantage
High Performance
Service
The Best Service
Market
Europe,America,Africa,Middle East
Transport Package
Wooden Case
Specification
IADC637
Trademark
JW
Origin
Cangzhou, Hebei, China
HS Code
82071990
Production Capacity
5000PCS/Year

Product Description

15 1/2" hj series 637 tci tricone drill bit/rock bit for granite& cobble deep well 

1.Specification of 637 tci tricone drill bit
15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well
 
IADC WOB RPM Applicable Formations
(KN/MM) (r/min)
(Bit Dia)
116  117 0.35~0.8 150~80 Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc.
126  127 0.35~0.9 150~70 Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,softshale.soft limestone,ect.
136  137 0.35~1.0 120~60 Soft to mesium soft formations with low compressive strength and high drillability.such as medium soft shale,hard gypsum,medium soft limestone.medium soft sandstone soft formation with harder nterbeds,ect.
216  217 0.4~1.0 100~60 Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds ect.
246  247 0.4~1.0 80~50 Medium hard formations with high compressive strength,such as abrasive shale.limestone,sandstone,dolomite,hard gypsum,marble,ect.
417  437 0.35~0.9 150~70 Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk,gypsum,salt,soft shale,soft limestone,etc.
447
517  527 0.35~1.0 140~60 Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,soft shale.soft limestone,ect.
537  547 0.45~1.0 120~50 Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,ect.
617  627 0.45~1.1 90~50 Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,ect.
637 0.5~1.2 80~40 Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,ect.

2.637 tci tricone drill bit/rock bit's pictures 
15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well
15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well
15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well
3.Packing&shipping
Packing:wooden case(standard export packing)
Transportation type:by sea,by air,by train ect as your requirement
15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well


4.Our service
637 tci tricone drill bit/tricone rock bit 
Delivery Time:Based on order quantity, normally it takes 30 days for production.Only 2 or 3 days if we
have stock on your request size.
Quality Control:We have our professional QC and all the products will be strict inspection and testing for every order before shipping out. 
After Services:Technical Support will be available in any time. We could provide the professional suggestion for you.
EX:1.Select the right most suitable products.
      2. According to the rock types, choosing the face type, button tooth type.
      3. According to the different purpose,. choosing the different body type 


5.Contact us
All sizes and type can be customized.
If you need,welcome to contact me at any time.


15 1/2" Hj Series 637 TCI Tricone Drill Bit/Rock Bit for Granite& Cobble Deep Well

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