ACA01 6 Pcs Countersink For Metal

6 Pcs Countersink Drill Bit - HSS
Material : #4341 High Speed Steel
Size : 6.3, 8.3, 10.4, 12.4, 16.5, 20.5mm
For : Metal , Aluminium, Wood, Plastic
        Iron Sheet, Insulation Board
Cutting : 5 Flute 90˚
Code : CS6M