81/2′′ TCI Tricone Bit/Tricone Rock Drill Bit/Water Well Drill Bit

• Standard: API
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Carbon Steel
• Bit Size: 8 1/2"(215.9mm)
• Thread: 4 1/2"Reg
• Model NO.: IADC537
• Bearing Type: Journal Bearing
• 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: IADC537
• Trademark: JW
• Origin: Cangzhou, Hebei, China
• HS Code: 82071990
• Production Capacity: 5000PCS/Year

Product Description

81/2'' tci tricone bit/tricone rock drill bit/water well drill bit

1.Specification of tci tricone drill bit 

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.tci tricone drill bit's pictures



3.Packing&shipping
Packing:wooden case(standard export packing)
Transportation type:by sea,by air,by train ect as your requirement


4.Our service
tci tricone drill 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.Company information
We are Cangzhou JW Petroleum Machinery Co.,Ltd.specializes in downhole motor,drill bits,drill pipe,crossover sub,fishing tools for water well, oil field,construction,geothermal,directional boring,Including three series with 
full model types,as follows:
Drilling Bit series: rock roller bit,tricone bit,pdc drill bit,single bit,cone bit and hole opener; 
Drilling Equipment Parts series: downhole motor,manual tong,elevator,slips,stabilizer;
Workover Fishing Tool series: releasing spear,junk basket, overshot,reversing sub,die collar,fishing tap etc.
With over 10 years experiences,our mission at JW is to maintain at the top in product integrity and customers satisfaction worldwide. We hope you consider us for your future needs.
With professional producing technology and honest management, JW people will create brilliant future with new and old customers together.


6.Contact information
If you have demand,don't hesitate to consult me.
I will be on your service in 24 hours.