
TCI tricone bits 12 1/4" for hard rock bits for water well drilling
Tricone Bits
Browse our wide variety of Tricone Rock Bits
Tricone Bits, developed in the early 1930's, was a big improvement
over the two cone Roller Bit. Because of its versatility and
performance, it's still one of the main Rock Bits in use today.
The IADC Code describes a tricone bit, it tells you what the bit
is, steel tooth or button, what formations the bit is meant for,
and the bearing type. These codes help the driller describe what
type of tricone they are looking for.
Roschen offers a variety of tricones, from sealed bearing
button(TCI) bits to open bearing steel tooth bits in a wide range
of sizes, in new, rebuilt, and unused/surplus.
TRICONE DRILL BITS - STANDARD CONNECTION SIZES * | |
SIZE | STANDARD PIN CONNECTION |
2 1/2" to 2 3/4" inclusive | A - AW Rod |
2 7/8" to 3 3/8" inclusive | N4 Rod |
3 1/2" to 4 1/2" inclusive | 2 3/8" API |
4 5/8" to 5" inclusive | 2 7/8" API |
5 1/8" to 7 3/8" inclusive | 3 1/2" API |
7 1/2" to 9 3/8" inclusive | 4 1/2" API |
9 1/2" to 14 3/8" inclusive | 6 5/8" API |
14 1/2" to 18 1/2" inclusive | 6 5/8" API or 7 5/8" API |
18 5/8" to 26" inclusive | 7 5/8" API or 8 5/8" API |
27" and larger | 8 5/8" API |
*Tricone bits are available with alternative connection sizes on request. |
Sealed Roller Bearings
Sealed Roller Bearings have some of the features of the non-sealed open bearings, but longer lifetime because the bearings are sealed with an O' Ring Seal.
A lubrication and compensator system prevents leakage into the bearing system and stops the possibility of debris blocking the bearing as well as leakage of grease.
Sealed Journal Bearings
Sealed Journal Bearings have very good durability and wear resistance. Instead of rollers inside the cone there is a floating bushing.
The bushing is usually made out of special material that is highly resistant to heat and galling (surface damage).
For more information, please contact:
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
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ROSCHEN GROUP
ROSCHEN GROUP
ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.
ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.
ROSCHEN Manufactory PROCESS
ROSCHEN Sales Value Growing Up!
ROSCHEN'S MISSION
1. Strive to create and supply Best quality products for the industry that last longer than the average products.
2. Provide excellent service for our clients. 24 hour-7 days /week schedule to get our clients what they need – FAST.