China Tapered Drill Rod For Mining Manufacturers - Best ...
Taper drill rod: Material: special steel: Degree: 7/11/12 degree: Shank: H19*108mm, h22*108mm, H25x159mm: Length: 600mm---8000mm: Color: black or your yequirement: Connect with: tapered drill bit,t aper button bits, taper cross bits and taper chisel bit: Application: stone quarry drilling
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