Point d'origine
Hebei, China
Marque nom
Kingdream et Deris
Numéro de Type
L'exigence de l'acheteur
Color
Golden,Red,Blue and so on
Teeth
insert ttoth or button tooth
Market
USA,Middle East,South Africa
Applicaton
oil/water well drilling
Sealing type
metal or rubber seal
Additional materials
gauge protection
Size
3 3/4 "(95.3mm)~26"(660.4mm)
Bearing type
Sliding bearing
Model Number
TCI(tungsten carbide insert) bits