6"
Customized
AISI, API
Taper-length
Center Drill Bit
High Carbon Steel
Well Drilling
Drilling Tool
Forging
High-Efficiency, Wear Resistant
Alloy or Tungston Carbrid
5 Inch-26 Inch
13, 16, 19mm
3-9 Blades
Oil, Gas, Wells
Soft to Hard
LONGYUE
Wooden Case
5 7/8
Hebei, China
8207191000
