... equipment,plenty experience timely delivery ISO90 Carbide Tipped Core Hole SawTungsten carbide tipped cutting teeth and pilot ... "-7")Working Length: 107-550mmConnecting Rod For Hammer Core Drill bit(SDS Plus Shank, SDS Max, Long Hex, ... 12#110212115213120213125213130213135213 Type of Connecting Rod For Hammer Core Hole Saw SIZEMM22*16022*20022*25022*30022* ... 28,30,32,35mm CARBIDE TIPPED CORE DRILL BIT