SOLLROC COP44 Down The Hole/4 inch dth bit for Water Well Drilling
sollroc manufactures their tungsten carbide buttons in-house, right from milling the raw tungsten carbide powder and cobalt, to pressing, sintering and grinding the buttons to a finish. In-house manufacture gives them full control of the production, quality and composition of our bits. With today’s development in rock drilling, where penetration has priority, the ballistic bit design is popular. Nowadays ever harder formations are drilled with ballistic bits.
| For 4" hammer DTH bits shank |
Bit Dia. | No. Air Holes |
Gauge Buttons |
Front Buttons |
Weight (Kg) |
Part No. | |
| mm | inch | ||||||
| COP44 |
105 | 4 1/8" | 2 | 6×φ14 | 5×φ13 | 9.0 | DHD340-105 |
| 110 | 4 1/4" | 2 | 7×φ13 | 6×φ13 | 9.3 | DHD340-110 | |
| 115 | 4 1/2" | 2 | 7×φ14 | 6×φ13 | 10.0 | DHD340-115 | |
| 120 | 4 3/4" | 2 | 8×φ14 | 6×φ14 | 11.0 | DHD340-120 | |
| 127 | 5 | 2 | 8×φ14 | 7×φ14 | 12.0 | DHD340-127 | |
1. for water well, micro piling, geothermal, anchoring
2. Reliable performance
3. long service life
4.easy to maintain
5.stable
Key words:
forage de roches
le forage de puits
Forage et
forage géothermique
forage du sol
des outils de forage
micropiling
ENQUÊTES Une rotopercussion
Shipping
By Air, By Sea or By express.
Package
Ply - wooden cases + Pallet

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