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. Post Product Description Product Parameter ficationMOQ (piece/pieces)Unit PriceSingle box numbercarton size(length)carton size(breadth)carton size(height) roughweight 10脳10002002.4750108121026 12脳10002002.5540108121026 14脳10002002.9640108121026 16脳10002003.3025108121026 18脳10002004.0225108121026 20脳10002005.0720108101026 22脳10002005.8115108101026 25脳10002006.8915108101030 Main ProductsDrill Bit website:http://www.yuerongtool.com/drill-bit/