Sumitomo General Catalog 2025-2026

Carbide Rod for Endmills, Drills & Reamers

■ Grade Range

2

2

K 2

2

(HRA)

(wt%)

(HRA)

(wt%)

■ Micro Structure

Micro Grain

Fine Grain

Ultra Micro Grain

Ultra Micro Grain

AF209

AF312

AF513

AF810

Grain Size: 0.5 μm

Grain Size: 0.8 μm

Grain Size: 0.2 μm

Grain Size: 0.3 μm

■ Application Recommendation

Application

Work Materials

P

H M

S

K

N

Class

k k k j k k

k k k k

AF209 AF312 AF310 AF308

l l l l

j

l

k k j k k k

k k

l

j j k j k k k k k j j k j k k k k j j k k k k k k k j j j j k k k k k k k j j j j j k k k k k k k j j j j k k k k

l l

AF513

l

AF512

l l

AF510

l

AF505

l

l

AF810

l

AF806

l l

k k j j j

l l

AF805

k k k k k k j j j k k j j j j j k k k k j j j j j

l

l l

AF906

l

K3

j : 1st choice k : 2nd choice

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