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Material: 42CrMo
Drill rod diameter: Ф39mm Ф46mm Ф52mm
The hole diameter：D43 - D127 (mm)
Perforating depth：20m
Shanghai Metal Corporation is a leading Drill rod supplier and manufacturer.
Drill rod is a tool for connecting drill bit and rock drilling in tunnel engineering.Mine engineering general use of the drill rod for the hexagonal hollow steel and hollow steel, hexagonal hollow steel cutting inside garden of 22 mm and 25 mm in diameter, outside diameter of hollow garden steel and 38 mm to 32 mm, steel has finished steel and forging steel, the length of the finished soldering is according to certain forging good brazing head chisel eye straight after installation, forged steel is the hollow six Angle steel, shear according to need to use dressing machine forging shanks and qian first, and then fitted with drill bit chisel.
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