Sumitomo General Catalog 2025-2026

(3) Cutters / Indexable Endmills Symbol Notation Example

(4) Endmills Symbol

Description

Notation Example

Description

APMX

APMX

Cutting Edge Length Depth Of Cut Maximum

Max. Depth of Cut Depth Of Cut Maximum

CHW

BD

Chamfering

Corner Chamfer Width

O.D.

Body Diameter

DC

BDX

Dia.

Cutting Diameter Shank Diameter Neck Diameter Functional Length

Max. O.D.

Body Diameter Maximum

DMM

CBDP CRKS

Shank Dia. Head Dia.

Mounting Depth Connection Bore Depth

DN

Connection Retention Knob Thread Size

Screw Width

CW

LF

Cutting Width

Overall Length Neck Length Neck Length

DBC

LFS

Connection Bore Diameter

Functional Length Secondary

Hole Position Dia., Cutter Dia.

DC

LU RE

Cutting Diameter

Usable Length Corner Radius

DCB

Radius

Connection Bore Diameter Connection Diameter Contact Surface Diameter Machine Side

Bore Dia.

DCON

Mounting Dia.

DCSFMS Boss

DCX DMM

Max. Dia., Cutter Dia. Cutting Diameter Maximum

Shank

Shank Diameter Neck Diameter Shank Height Groove Depth Keyway Width

(5) Drills / Reamers Symbol

DN

Diameter

Notation Example

Description

H

Width

KDP

BD

Keyway Depth Keyway Width

Diameter Diameter

Body Diameter

BDX

KWW

Body Diameter Maximum

CW DC

LBX

Machining Width Cutting Width

Length Height

Body Length Maximum

LF

Dia.

Cutting Diameter

Functional Length

DCB

Shank Dia., Bore Dia. Connection Bore Diameter

Overall Length Functional Length Effective Length, Overhang Functional Length

DCON Connection Diameter DCSFMS Flange Dia., Boss Contact Surface Diameter Machine Side DF Diameter Flange Diameter DMM Shank Dia. Shank Diameter LBX Body Body Length Maximum LCF Flute Length Length Chip Flute LF Shoulder Length, Length Functional Length LFA Bolt A Dimension On Lf LFS Length Functional Length Secondary LH Neck Length Head Length LPR Overhang Length Protruding Length LS Shank Shank Length LU Effective Length Usable Length LUX Neck Length Usable Length Maximum OAL Overall Length Overall Length PL Tip Point Length WBTHK Web Thickness Web Thickness Shank Dia.

LH LS LU

Head Shank Length

Head Length Shank Length Usable Length Overall Length

OAL

Overall Length

RMPX

Maximum Ramping Angle Maximum Ramping Angle

SNT

Key Groove Width Keyway Width

THUB

Thickness

Hub Thickness

(Shell Type Example)

KWW DCB DCSFMS

D1 DC DCX

(Shank Type Example)

(Endmill Example)

APMX

RE ±0.02

LF

LS

LH

LF

(Drill Example)

Fig. 1 (double margin)

(Modular Type Example)

LU

L11

PL

CRKS

LCF

OAL

LS2

LF

LS

H

7

OAL

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