12 1/4′′ TCI Tricone Rock Bit with IADC537 Code for Hardness Rocks

• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Tungsten Carbide
• Bit Size: 12 1/4"(311mm)
• Connected Thread: 6 5/8′′reg
• Bearing Type: Journal Bearing
• Model NO.: iadc537
• Sealed Material: Rubber Sealed& Metal Sealed
• for Formation: Medium to Hard Rock Formation
• Work Time: About 120 Hours
• Advantage: High Performance
• Service: The Best Service
• Color: Golden
• 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

12 1/4'' tci tricone rock bit with iadc537 code for hardness rocks

1.Feature of tricone bit 

Basical Specification
Size of tricone bit	12 1/4" inch (311.2 mm)
Thread Connection	6 5/8" API reg pin
IADC CODE	517,527,537,637,737
Bearing type	rubber o-ring journal bearing
Operating Parameters
WOB	0.35~1.05 KN/mm (bit Dia.)
Rotary speed	70~40 r/min
Make up torque	38-43.4 KN.M
Formation: Medium formation with high compressive strength ,and high drillability ,such as mudstone,gypsum,salt,soft limestone,etc.

Tricone bit parameters:

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.Production process of tricone bit 

  Tricone bit/rock bit show:


3.Exhibition show: 

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

4.Our service
Rock bit/ tricone 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.