Application
Oil/Gas drill bit,Coal mining drill bit,etc.
Meterial
diamond & sintered carbide
Diameter
75mm to 115mm, 83mm to 130mm, 94mm to 154mm, 113mm-190mm or as request
Rock formation
soft rock, conglomerate etc.
Matrix Material
No 45 Steel
Type
Hard rock drilling expandable reamer PDC reamer drill bit