8 1/2" oil drilling tricone button bits drilling rig diamond
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Tricone Bits
Tricone rotary bits are sometimes a good alternative to a DTH
hammer. Available in TCI (carbide buttons) and mill tooth
configurations.
We carry a large inventory of rerun bits and can also supply new
bits. TCI bits are available for Medium Soft, Medium Hard, and Hard
formations. Please call us to check stock.
Remember, when drilling with Tricone Bits you need to maintain
proper down pressure to prevent premature bearing failure.
Features
1.Cutting Structure
The durability of premium tungsten carbide inserts is improved with
new formulas and new techniques for insert bit.
2.Gauge Structure
Multiple gauge protection with gauge trimmers on heel and gauge
inserts on the gauge surface of the cone, tungsten carbide inserts
and hardfacing on the shirttail increases gauge holding capability
and bearing life.
3.Bearing Structure
High precision bearing with two thrust faces. Balls lock the
cone.Hardface heard bearing surface. Cone bearing inlaid with
friction-reducing alloy and then silver-plated. Abrasion resistance
and seizure resistance of the bearing are improved and suitable for
high rotary speed.
4.Seal and Lubrication
The advanced metal seal package consists of two metal seats and two
elastic energizers. Compressed energizers ensure good contact being
kept on two sealing surfaces of metal rings by elastic force, and
achieve the bearing seal. In the drilling, metal seal are
relatively dynamic, and the energizers are static. This will
improve the reliability and durability of bearing seal. The
pressure compensator system and advanced grease can greatly
increase the lubricating reliability.
| 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. |
FAQ
1. How to order the products?
Answer: 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.
2. About lead time and shipping time?
Answer: The lead time depend on quantity of order. Usually shipped
by sea, small order or urgent order we can send you by air after
received your agreement. According the distance from china to your
port, usually from China to European about 25 days. To West of
American 20 days.
3.Can I expect a quality products?
Answer: Yes. All our activities are accredited to ISO 9001:2008,
both in products and services, at the same time, mature production
technology ensuring the quality satisfy international request.
For more information please contact:
ROSCHEN GROUP LIMITED
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.net ; http://www.roschen.cn
http://www.roschen.com ; http://www.roschengroup.com
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