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Model No.: 8 1/2" IADC 537
Size: 8 1/2" 215.9mm
Bearing Type: Sealed Journal Bearing
Sealed Type: Rubber Sealed /Metal Sealed
Package: Wooden Case
Connection: 4 1/2" Reg Pin
Application: Oil ,Water Wells, Gas Well, No-dig, Trenchless
Formation: Soft To Medium Hard Formation
Material: 20CrNiMo 20Ni4Mo
Advantage: Durable , High Efficiency
Shipping Term: Shipping By Sea Or By Air
Packaging: Wooden case
Productivity: 300 pcs per month
Brand: Deris ,Kingdream ,CBS, TZ
Place of Origin: China
Supply Ability: 300 pcs per month
Certificate: ISO 9001
HS Code: 82071990
The IADC 537 Tricone Bit feature for you check
The Iadc 537 tricone bit suitable for Medium formation with high compressive strength ,and high drillability ,such as mudstone,gypsum,salt,soft limestone,etc.
8 1/2" Tricone Rock Bit used for oil field, gas well and water well , no-dig project.TCI tricone rock bit adopts rubber sealed or metal seal with journal bearing , Shirttail and head OD are hardfaced for enhanced gauge protection. Center nozzle is equipped for bits of larger sizes .
Size of tricone bit : 8 1/2" inch (215.9 mm)
Thread Connection : 4 1/2" API reg pin
IADC CODE : 537G
Bearing type : rubber sealed journal bearing / metal o-ring sealed journal bearing
WOB (Weight On Bit) : 0.35~1.05 KN/mm (bit Dia.)
Rubber sealed beaing tricone bit Rotary speed : 110~40r/min
sealed beaing tricone bit Rotary speed : 220~40 r/min
Make up torque : 16.3-21.7 KN.M
Classification of formation hardness and bit selection
Table of classification of formation hardness and bit selection
Roller Cone Bit IADC code
compresssive strength (Mpa)
Recommended type of diamond bit
Very soft:sticky soft formation with low compressive strength
Soft:soft formation with low compressive strength and high drillability
S/M1642 1652 1952 , S1963 ,M1642
417 / 527
Medium soft: soft to medium formation with low compressive strength and streak
Clay rock Maril Lignite
S 1963 ,1652 1362
M 1953 1662 1375
Medium: medium to hard formation with high compressive strength and thin abrassive streak
M 1662 1363 1375
Medium : hard and dense formation with high compressive strength and medium abrasiveness
M 1673 1662 1653 1375
Detail of Tricone bit
Cutteing structure : Offset crested scoop compacts in inner row, wedge compacts in outer row,imequable spaced compacts arrangement and a row of trimmer is added between agge and heel row.
Tricone bit top : You can find the tricone bit diameter, API certificatd NO., pin thread, manufacture date, factory logo, series number on the top of the bit
Nozzle : ,we can provide Tricone Bit Nozzle with different inner diameter,3 pieces per set in a plastic box.
Tricone bit produce
My company informationHejian Deris Petroleum Drilling Equipment Co., Ltd. Established in 2000 . Have 7 years export experienced . Both Professional Manufacturer and Supplier engaged in 3 " to 26" Tricone bit, 3 " to17 1/2" PDC Bit , 300mm to 2000mm Hole Opener , Core Barrel , Single Cone Bit ,roller cone bits , Drag Bit and Drill Pipe etc other Drilling Tools .
Products are widely used in petroleum, natural gas, hydrological address, ore drilling ,water well project , no-dig / Trenchless,Piling project .
Introducing the latest technology, advanced production equipment, Perfect testing system to e nsure superior quality .The company has a group of experienced designers and engineers who provide specialized solutions in the field of drilling.
Over the years, the high quality products have been exported to more than 30 countries and regions such as the United States, Canada, Germany, Iran, Qatar, Chile and Southeast Asia at reasonable prices.
Package and shipping
Package Type : wooden case ,also be packaged according to customers requirement
Transportation : by sea , by air or land transportation . Less than 50kg shipping by courier better
Delivery : If we have stock, the delivery time will need about 2~3 working days. In general, common size tricone bits and pdc bit, we have stock.
If we have no stock, such as the tci reamer and PDC Hole Opener, it will be 7-10 working days in total.
If you are interested in our products please feel free to contat with us
1 We are manufacture can supply good quality goods and competitive price
2 We not only have ourselves design but also can accept customization
3 We have fast and on time delivery time
4 Every bits have it's quality assurance
5 Contact our anytime if you have any question with bits.
6 Technical supply online