
capability achievable surface quality Ra required operator
P M K N S H cost/part cycle time experience page(s)
20–40 μ-in 20–40 μ-in 20–60 μ-in 20–40 μ-in W8–W10,
0,5–1,0 μm 0,5–1,0 μm 0,5–1,5 μm 0,5–1,0 μm W13–W14
20–40 μ-in 20–40 μ-in 20–60 μ-in 20–40 μ-in W11–W12,
0,5–1,0 μm 0,5–1,0 μm 0,5–1,5 μm 0,5–1,0 μm W15–W16
only only
32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in <48 μ-in low–
low moderate W49–W51
0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm <1,2 μm moderate
32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in <48 μ-in low–
low moderate W52–W53
0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm <1,2 μm moderate
40–200 μ-in 40–200 μ-in 40–200 μ-in 40–80 μ-in 40–200 μ-in low–
1,0–5,0 μm 1,0–5,0 μm 1,0–5,0 μm 1,0–2,0 μm 1,0–5,0 μm moderate
40–200 μ-in 40–200 μ-in 40–200 μ-in 40–80 μ-in 40–200 μ-in low–
1,0–5,0 μm 1,0–5,0 μm 1,0–5,0 μm 1,0–2,0 μm 1,0–5,0 μm moderate
40–200 μ-in 40–200 μ-in 40–200 μ-in 40–80 μ-in 40–200 μ-in low–
1,0–5,0 μm 1,0–5,0 μm 1,0–5,0 μm 1,0–2,0 μm 1,0–5,0 μm moderate
32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in low–
0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm moderate
32–80μ-in 32–80μ-in 32–80μ-in 32–80 μ-in
-2,0 μm -2,0 μm -2,0 μm 0,8–2,0 μm
32–80μ-in 32–80μ-in 32–80μ-in 32–80 μ-in
-2,0 μm -2,0 μm -2,0 μm 0,8–2,0 μm
4–32 μ-in
0,1–0,8 μm
4–32 μ-in
0,1–0,8 μm
Ra Surface roughness NOTE: Surface roughness values are guidelines and depend on the application, coolant situation, machine, and cutting data applied.