ITEM NAME:7pcs 5 Flute Countersink Drills Bit HSS Drills Bit Reamer Set Chamfer 3-10mm〠MO.Enlarge or countersink holes, deburr edges; 15-degree chamfer. Single flute edge chamfer 90 degree. 7pcs x woodworking chamfer. Black chamfer drill body material: steel #45. Material: HSS Drill 4241. 7mm(Dia) x 10mm(L).
