Blasthole TCI Drill Bit 200mm 7 7/8"
Product Description
SOLLROC 7 7/8" (200mm) TCI Tricone bit
Diameter: 7 7/8" (200mm)
IADC code: 432/435/532/615/635
Blast TCI drill bit 7 7/8" (200mm) available:
| Bit diameter | Part number | IADC code | Application | Weight | Pin connection | Cirlulation type | Operating Suggestions WOB/RPM | ||
| inch | mm | lbs | kg | ||||||
| 7 7/8" | 200 | SCTCI200-432M | 432 | Very soft and poorly-compacted formation, such as shale, conglometare, soft dolomite and soft overburden of coal mines, etc | 71 | 32 | API 4 1/2" | Jet Air | WOB: 8,000-16,000 lbs Rotary speed: 90-120 RPM |
| SCTCI200-435M | 435 | Very soft and poorly-compacted formation, such as shale, conglometare, soft dolomite and soft overburden of coal mines, etc | 71 | 32 | API 4 1/2" | Jet Air | WOB: 8,000-16,000 lbs Rotary speed: 90-120 RPM | ||
| SCTCI200-532M | 532 | Soft and poorly-compacted formation, such as shale, conglometare, soft dolomite and soft overburden of coal mines, etc | 71 | 32 | API 4 1/2" | Jet Air | WOB: 15,000-36,000 lbs Rotary speed: 80-110 RPM | ||
| SCTCI200-615M | 615 | Medium-hard and well-compacted rocks such as limestone, sandstone, dolomite and chert. | 75 | 34 | API 4 1/2" | Jet Air | WOB: 23,630-47,250 lbs Rotary speed: 100-60 RPM | ||
| SCTCI200-635M | 635 | Mediume-hard, abrasive and well-compacted rocks such as: hard silica limestones, quarzite streaks, pyrite ores, hematite ores, magnetite ores, chromium ores, phosphorite ores,and granites. | 75 | 34 | API 4 1/2" | Jet Air | WOB: 19,750-49,380 lbs Rotary speed: 80-110 RPM | ||