Page 407 - Master Catalog 2017, Inch

Small Hole Boring • Insert Selection Guide

3 Select the Cutting Speed: P Steel
In the foldout speed and feed chart, establish your cutting speed M Stainless Steel
and obtain your optimal starting conditions and range.
K Cast Iron
N Non-Ferrous
S High-Temp Alloys
H Hardened Materials

TN7–CM1 for Cast Iron

K
ISO 513 01 10 20 30 40

TN7 TN7 — High edge strength and wear-resistant cermet.
ALO — Can withstand light interruptions. Alumina coating enables
ALO higher cutting speeds.
wear resistance = harder toughness = softer
CG6 CG6 — High-speed, general-purpose grade for all kinds of steel and cast iron.
CG55 — High edge strength and wear resistance. Reduces problems with
CG55 built-up edge. Superior thermal deformation resistance and
depth-of-cut notch resistance.
C3 and C25 C3 and C25 — Good wear resistance with some toughness.
Excellent abrasion resistance for machining cast irons,
—
C2
and most high-temperature alloys.
C2 austenitic stainless steels, non-ferrous metals, non-metals,
CG5 — Best at low speeds. Will handle interruptions and high feed rates.
CG5
CM1 — For heavy turning and heavily interrupted cuts.
CM1
Hard
Metal
Coated

C3–CM1 for High-Temperature Alloys

S
ISO 513 01 10 20 30 40

C3 and C25

C2
wear resistance = harder CG5 — Best at low speeds. Will handle interruptions and high feed rates. toughness = softer
CG5 C3 and C25 — Good wear resistance with some toughness.
Excellent abrasion resistance for machining cast irons,
C2
—
CM1 austenitic stainless steels, non-ferrous metals, non-metals,
and most high-temperature alloys.
CM1 — For heavy turning and heavily interrupted cuts.

Hard
Metal
Coated

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