適用産業
建設動作, oil well drilling rock
タイプ
Single Cone Rock Roller Drill Bits
材料
High Manganese Steel, Alloy steel ,carbide
Product name
roller cone, Core Drill Bit
connection
3 1/2'' ,4 1/2",6 5/8",7 5/8"API
formation
medium to hard formation
Application
petroleum&gas ,water well etc.
Packing
Wooden case or steel case
advantage
most favourable price and best qualtity
Local Service Location
None