Active Member
|
[China]
Address: B2-0645 ROOM, CENTURY-TEA-TRADE-CENTER, NO.10 MALIANDAO ROAD, XUANWU DISTRICT, BEIJING, CHINA
Contact name:Jade
FLRT Bit |
|
|
9 1/2" FA537G , TCI Tricone Bit , Sealed Friction Bearing , Water Well Drilling Bit
SIZE AVAILABLE
Form 3 7/8inch to 18 1/2inch
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
| Types & IADC Code | 417 | 437 447 | 517 527 | 537 547 | 617 627 | 637 | |
| WOB | KN/mm(Bit Dia.) | 0.4~0.9 | 0.4~0.9 | 0.35~1.0 | 0.5~1.0 | 0.6~1.1 | 0.7~1.2 |
| Lb/in. (Bit Dia.) | 2285~5142 | 2285~5142 | 2000~5714 | 2857~5714 | 3428~6285 | 4000~6857 | |
| Rotation Speed (Rpm) | 140~60 | 140~60 | 125~50 | 110~50 | 100~40 | 80~40 | |
The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.
Roller cone bits tips
- Employs cones rotates about their own axis
- Used in mining and civil engineering
- First used in 1920
- Cones can be milled teeth cut from the body or tungsten
carbide buttons interested into the cones
There are three types:
• Two cone bit, milled tooth used for soft formation
• Three cone bit most widely used, milled or insert
• Four cone bit, milled tooth used for drilling large
diameter 26 in (660.4 mm)
