🔍 Key Concepts

• File tooth grades (smooth, second cut, bastard, rough) and what they’re used for • Relationship between tooth spacing and how much metal is removed • Which file type is used for finishing versus fast stock removal

💭 Think About

• Which of these file cuts would remove the least amount of metal per stroke and therefore give you the finest finish? • How does tooth spacing change as you move from rough work to finishing work? Think about which cuts are coarsest and which are finest. • If you were almost done shaping metal and only wanted to smooth the surface, which cut would you pick?

✅ Before You Answer

• Match fine/finishing work with closely spaced, small teeth • Remember that rough and bastard are used for heavier, faster metal removal, not final smoothing • Check which option name itself suggests the finest grade of file cut.