570 Hole Opener
Customized
ISO
Well Drilling
Alloy
Eastar
Box
China
Product Description
12-1/4 637 Cone Bit Oil Well Hole Opener
API Standard Reg Pin
6pcs Cone Bit Blades
Long Working Time
Alloy Steel Material
API Standard Reg Pin
6pcs Cone Bit Blades
Long Working Time
Alloy Steel Material
