Te c h nic a l G uid e

STANDARD CUTTING CONDITIONS

Cutting speed Pitch Threads per inch

ISO Workpiece material Grade V (mm) (TPI)

c (m/min)

Low carbon steels

S15C, SS400, etc. SH725 50 - 200 0.2 - 1.5 127 - 16

C15, St42-1, etc. Carbon steels, Alloy steels

S55C, SCM440, etc. SH725 50 - 200 0.2 - 1.5 127 - 16

C55, 42CrMoS4, etc.

Free cutting steel SH725 50 - 200 0.2 - 1.5 127 - 16

SUH22, SUH23, etc. Stainless steel

SUS304, etc. SH725 50 - 200 0.2 - 1.5 127 - 16

X5CrNi18-9, etc.

Aluminium alloys SH725 150 - 200 0.2 - 1.5 127 - 16

A5056, A6061, etc.

Copper alloy SH725 100 - 200 0.2 - 1.5 127 - 16

C2600, C280C, etc.

Titanium alloys SH725 30 - 80 0.2 - 1.5 127 - 16

Ti-6AI-4V, etc.

Heat-resisting alloys SH725 30 - 80 0.2 - 1.5 127 - 16

Inconel718, etc.

Internal threading

Cutting Number of passes

ISO Workpiece materia Grade speed Pitch (mm)

Vc (m/min) 0.5 0.75 1 1.25 1.5

Low carbon steels

S15C, S20C, etc. SH730 40 - 140 6 - 8 8 - 10 10 - 12 12 - 15 15 - 18

C15, C20, etc. Carbon steels, Alloy steels

S55C, SCM440, etc. SH730 40 - 140 6 - 8 8 - 10 10 - 12 12 - 15 15 - 18

C55, 42CrMoS4, etc.

Prehardened steels SH730 40 - 140 6 - 8 8 - 10 10 - 12 12 - 15 15 - 18

NAK80, PX5, etc. Stainless steel

SUS304, SUS316, etc. SH730 40 - 140 8 10 12 15 18

X5CrNi18-9, X5CrNiMo17-12-2, etc.

Aluminium alloys, copper alloys SH730 90 - 200 6 8 10 12 15

Si < 12%

Reference pages: DuoJust-Cut: Inserts → 5-5, Toolholders → 5-17 - 5-18

TinyMini-Turn: Toolholders → 5-24