モデル番号
DHD/COP/SD/M/QL/XL/BR/VKP/N
Usage
mining, water well drilling, geothermal drilling
Application
Quarrying, construction, civil engineering, mining
Diameter
2.5 inch to 18 inch
connection thread
API 2 3/8" REG, API 3 1/2" REG,API 4 1/2" REG,API 6 5/8" REG
Formation
Hard rock, middle hard rock, soft rock
sizes
2.5", 3", 4", 5", 6" ,8", 10", 12", 15", 18"
Advantage
Hign Abrasion Resistance, fast speed