Core Cutter Drill Bit 17.5Mm Dia (Tct Cutter) Suitable For Kbm 40 D Magnetic Core Drilling Ma Chine. Note: Sample To Be Got Approved By Consignee Before Supply. Makes: Broachcutter, Bosch, Black & Decker, Eibenstock, Yg-1 Only. [ Warranty Period: 30 Months After The Date Of Delivery ] ]