Steel tooth tricone bit, also named milled tooth tricone bit, is a mainstream rotary rock drilling tool. It consists of three freely rotating cones mounted on the bit legs. The cutting teeth are machined integrally from the cone body (not separate tungsten carbide inserts). During drilling, the cones roll independently; steel teeth gouge, scrape and shear rock strata to break formations.
Tricone 9 5/8'' 127 with high precision journalbearing,hardfacedbearing surface. Cone bearing inlaid with friction reducing alloy ,made the rotating more stability, safety and durability.Steel tooth structure effectively improving the wearing resistance of the teeth and greatly increasing the rate of penetration.
Product Parameter
| Parameter | |
|---|---|
| IADC Code | 127 |
| Diameter | 9 5/8" (244.5mm) |
| Tooth Type | Steel tooth |
| Bearing Type | Elastomer sealed bearing |
| Circulation Type | Mud fluid |
| Thread Connection | 6 5/8API REG PIN |
| Nozzle | Three jet nozzles |
| Gauge Protection | Available |
| Shirttail Protection | Available |
| Operating RPM (r/min) | 150~70 |
| Operating WOB (KN) | 0.35~0.9 |
Features
Integral milled steel teeth
Teeth are forged and machined together with cones. Tooth surfaces are overlaid with wear-resistant hardfacing material from tooth crest to root to resist abrasion. Custom tooth profiles (long aggressive teeth / compact teeth) are available for different geology.
Multiple bearing options
Supplied with open roller bearing or sealed journal bearing configurations to fit various drilling media and working conditions.
High penetration rate (ROP)
Long tooth design brings strong cutting aggressiveness, achieving faster drilling footage in suitable strata than TCI bits.
Economical cost
Lower manufacturing cost compared with carbide insert bits, offering low cost per drilled meter in soft–medium formations.
Standardized specification
Manufactured strictly in accordance with API Spec 7-1. Cover wide size range from 3.5 inch to 26 inch, corresponding IADC codes: 111–337 for steel tooth series. Standard API REG thread connections.
Applications
Shallow surface sections of onshore & offshore exploratory wells, development wells, production wells; drill through overburden soil and upper soft sedimentary layers before reservoir sections.
Hole reaming, sidetracking, shallow horizontal well top-hole drilling.
Low-cost alternative for shallow oil/gas projects with soft stratigraphy, superior penetration rate vs TCI bits in sticky clay/shale.
Civil drinking water wells, agricultural irrigation wells, shallow geothermal boreholes.
Perfect for alluvial, clay, soft limestone shallow aquifers; low cost for mass shallow well construction.
Underground coal mine: gas drainage holes, water exploration holes, roof anchor boreholes in coal seams & soft mudstone surrounding rock.
Open-pit mine: shallow blast holes in soft coal, weathered sedimentary rock; cost-effective for high-volume soft rock drilling.
Foundation pile drilling, roadbed exploration boreholes, municipal pipeline pilot holes.
Tunnel preliminary prospecting, soft soil strata geotechnical investigation drilling.
Shallow geotechnical survey, geological exploration boreholes; air rotary drilling for surface soil sampling.
Reverse circulation shallow drilling projects with low abrasion rock.
1. Cutting Tooth Structure (Core Difference)
Surface welded with wear-resistant hardfacing alloy only
Tooth shape is limited by cone forging processing
Holes pre-drilled on cones, hard tungsten carbide inserts pressed in separately
Carbide inserts have ultra-high hardness, various shapes (spherical, conical, wedge)
Replaceable tooth performance design for different rock hardness
Steel tooth: Low wear resistance; teeth wear down rapidly in sandstone, quartz, abrasive layers, short footage per run
TCI insert: Tungsten carbide far harder than steel; resistant to abrasive rock, much longer service life, fewer trips to change bits
Steel tooth: Better gouging & scraping effect; faster penetration in soft sticky formations (clay, mudstone, salt, loose soil)
TCI insert: Hard inserts crush hard rock well, but cut slowly in pure soft plastic strata, easy bit balling in thick clay
Steel tooth: Simple processing, lower production cost, cost-effective for shallow short footage drilling
TCI insert: Complex machining + expensive tungsten carbide raw materials, higher purchase cost
Steel tooth: Tooth abrasion, tooth thinning, reduced penetration speed; integral tooth cannot fall off easily
TCI insert: Insert breakout, tooth loss under severe impact; insert wear slower when intact
Custom Solutions: Get designs and specifications tailored precisely to your drilling requirements.
Global Reach: Fast and dependable shipping to any location, ensuring on-time delivery.
Expert Guidance: Receive professional advice on product selection, maintenance, and troubleshooting.
Ongoing Support: Enjoy comprehensive after-sales care, including parts replacement and continuous customer assistance.
About HENG JI
Hejian Hengji Bit Manufacture Co.,LTD is specialized in manufacturing high quality rock bit since 2001,especially for tricone bit,PDC bit,hole opener,single cone bit and drag bit.With advanced CNC machines and R&D team and on-time delivery. we have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .
Main products
tricone bit(mill tooth and tungsten carbide insert tricone bit)
PDC bit(matrix body and steel body PDC bit)
hole opener(HDD rock reamer,barrel reamer,etc)
drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)
accessories(single cone,bit breaker,nozzle ,etc)
FAQ
1. Is your company a distributor or a manufacturer?
A: Yes,We are a a professional factory of tricone bit,PDC bit in China.
2. How about your products?
A : All our activities are accredited to ISO 9001:2008 and API , both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.We have many high quality prducts (https://hb-bits.en.made-in-china.com/) .
3.what is the Packaging & Delivery?
A:We used high quality export carton or standard export woodern case
4.what is the time about the delivery?
A: repared to deliver within 1 week, if in stock.
Depends on order quantity, when out of stock,7-30days
Transportation:By sea or air
5. How to order the products?
A: Send the inquiry with detail item description or with Model number. If there is no packing demand we take it as sea-way packing. If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.