2pcs 5 Flute Countersink Drill Bit HSS 82 Degree Point Angle Chamfer Chamfering Cutter 1/4" Round Shank For Power Tool
https://www.vogueparade.com/shopping/EN/100006468/1/1005003742176487/2pcs-5-flute-countersink-drill-bit-hss-82-degree-point-angle-chamfer-chamfering-cutter-14-round-shank-for-power-tool//