Screw Countersink Knife Deburring Countersink $ 10.54 Material: high speed steel Order number: DB0256PCSRL Category: Countersink Blade diameter: 10 (mm) Blade length: 10 (mm) Full length: 10 (mm) Shank diameter: 6.35 (mm) Whether standard parts: standard parts Minimum number of packages: 1 Series: Chamfer Model: 6PC chamfering knife blue (6.3 8.3 10.4 12.4 16.5 20.5) Product weight: (kg) 0.13