Profile: Kaiqiu Drilling Tools Co., Ltd. specializes in providing drilling tools. We are an ISO 9001:2015 certified company. Our top hammer shank adapter which can ensure the quality of a drill string's interface to meet industry. It is the end fitting of a common drill bit and is clamped by the drill chuck. It is especially suitable for hammer drilling in stone and concrete with masonry bits. DTH drill pipe is a high-strength steel pipe used for drilling. According to the different drilling methods and drilling purposes, the thickness and length of the pipeline are also different, and they are widely used in foundation piles.