Employing high quality alloy steel for drilling body and YG carbide alloy for drilling tip, and in combination with various types
of electrichammer. The drill is one of the most efficient tools suitably and widely used for hole drilling in hard materials like
concrete/ brick in construction & installation industries.
Employing special spiral type and extended life carbide tip, higher service life in concrete/brick in construction & installation
industries, faster dust transport prevents clogging.
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Product Descriptionhttp://www.yuerongtool.com/drill-bit/