1With the body made of 40 chrome steel, the head welded by YG8C alloy, this Drill Bit is very solid and durable 2The cutting edge is very sharp, making hole drilling process become very easy and convenient 3Straight shank design, suitable for electric hammer Only. 4Applicable to drilling concrete, masonry and other materials 5Three sizes, namely, 6mm / 0.24inch, 8mm / 0.31inch, 10mm / 0.39inch; length: 110mm / 3.94inch
