ZHONGTAI TOOLS'CO;LTD. - Zhejiang, China

We specilizing in manuacturing SDSplus drills,SDS MAX Drills, hammer drills,chisel and sharp chisels, connected shanks,all kinds of holesaw tips and electronic tools,all the adove products though the certificate of ISO9001 and 2000,our products can be used together with the electronic hammer from BOSCH,AEG,HILTI,BLACK,AND,DECKER,MAKITA,KIL,HITACHI,TOSHIBA.There are two cylindrical flutes with half circles on the shank.