Head Office: 232 Great Eastern Hwy, Ascot WA 6104
Regional Offices: Onslow WA, Newman WA, Port Hedland WA, Karratha WA and Tom Price WA.
Skip to product information
GET A QUOTE / MAKE AN ENQUIRY
ROT-BD-229-545BBM
Description
ROT-BD-229-545BBM
See Blast Hole Rotary Bits Table Below for all details
Blast Hole Rotary Bits 545
| IADC Code | Bit Size / Description | Compressive Strength | Ground Description | Bearing / Circulation | Shirttail Protection | Thread Type & Weight | WOB (lbs) | Cutting Structure |
|---|---|---|---|---|---|---|---|---|
| 545 |
200mm(7 7/8”) 216mm(8 1/2”) 229mm(9”) 251mm(9 7/8”) 270mm(10 5/8”) 311mm(12 1/4”) TCI sealed roller bearing bit with gauge protection for soft to medium soft formations with low compressive strength. |
85-186 MPA 12,000-27,000 PSI |
Medium hard and abrasive rocks such as sandstones with streaks of quartz, hard limestone or chert, hematite ores, hard well compacted abrasive rock such as: sandstones with quartz binder, dolomites, quartzite shales, magma and metamorphic coarse-grained rocks. |
Bearing: Roller-Ball-Roller-Thrust Circulation: Jet Air |
Hardmetal and wear resistant carbide on shirttail lip and lug |
200mm: 4 1/2" API REG / 34kg 216mm: 4 1/2" API REG / 38kg 229mm: 4 1/2" API REG / 50kg 251mm: 6 5/8" API REG / 65kg 270mm: 6 5/8" API REG / 74kg 311mm: 6 5/8" API REG / 98kg |
15,750 - 39,380 lbs (24,500 - 61,250 lbs for 251mm+) |
Inner/Nose: Conical Gage Rows: Chisel Gage Bevel: Round |