Product Specifications
Customized
AISI, API
Taper-length
Center Drill Bit
High Carbon Steel
Well Drilling
Drilling Tool
Alloy
High-Efficiency ,Wear Resistant
Friction/Roller/Flosting Bearing Bit
Soft to Hard
Oil,Gas,Wells
3 Inch-30 Inch
Forging
OEM,Customize Base on Drawing
LONGYUE
Wooden Case
8 1/2
Hebei, China
8207199000