Sumitomo General Catalog 2025-2026

Chamfering Endmill SMC

Steel

Cast Iron

Radial

0° 0°

Rake Angle

Axial

Fig 1

40

80

120

H

(Figure shows SMC420)

Body 

Dimensions ( mm )

Hole Chamfering Machining Range

Dia. DC

Max. Dia. DCX

Number of Teeth

Cat. No.

Fig

▲ ▲ ▲

SMC407 SMC420 SMC435

1 2 2

ø11.0 to ø23.8 ø21.2 to ø36.8 ø36.2 to ø51.8

1 1 1

7

24.3 37.3 52.3

20 35

Inserts are sold separately. Insert 

▲ : Limited Availabilty Item ● : USA Stocked Item

Dimensions ( mm )

Grade

Coated Carbide

Carbide

Cermet

High-speed / Light K General-purpose K

P

Fig 1

Process

P

K

P

RE

Roughing

K

Nose Radius RE

Cat. No.

Fig

SPMN422 SPMN423 SPG422

● ● ● ● ●

3.18

0.8 1.2 0.8

1 1 1

12.70

● ●

● ● ●

● ● ● ●

Parts

Clamp

Double Screw Wrench

Size

N m

M6 5.0 LH030

CCM6BR WB616

Applications (1) Single Sided (2) Double Sided (3) Hole Chamfering (4) Stepping (5) Small Plunging, Traverse Cutting

(2)

(1)

N m Recommended Tightening Torque (N·m)

H262

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