Taparia flat tip plus hammer drill bit. All 13 mm hammer drill bit, hdc13260 manufactured by using quality assured material and advanced techniques, which make them up to the standard in this highly challenging field. The materials utilized to manufacture 13mm plus hammer drill bit. The most reliable and official bits and chisel vendors, chosen after performing detailed market surveys. Thus, taparia products are widely acknowledged in the market for their high quality. We are dedicatedly involved in providing an excellent quality array of bits and chisel.