Sumitomo General Catalog 2025-2026

Turning Round Positive Inserts

Indexable Insert

RC Round 7° Pos. With Hole RC ¢¢˜˜˜˜˜˜ Dimensions (inch) Inscribed Circle IC .394 to 1.260 Thickness S .125 to .375 Hole Dia. D1 .142 to .374

Information in "Shape" column

IC

EFL

Name of Chipbreaker

.12

Application Range

.08

Recommended Part Material

.04

Chipbreaker Rake Angle

S

S

0

.008 .016 .024

10 °

Feed Rate (f) (inch/rev)

(RCMX)

(RCMT)

: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended

: General Cutting 1st Recommended : General Cutting 2nd Recommended

: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended

P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel

B

Coated Cermet

Coated Carbide

Carbide

Cermet

C36

Applicable External Holders

Sumitomo Cat. No.

Application Range

Shape

ISO Cat. No.

IC S D1

RCMT100300 RCMT1003M0N-RX .3937 .1252 .1732 ★★★★ FFF RCMT120400 RCMT1204M0N-RX .4724 .1874 .1732 ●●●● FFF RCMT160600 RCMT1606M0N-RX .6299 .2500 .1969 ●★★● FFF RCMT200600 RCMT2006M0N-RX .7874 .2500 .2559 ●★★● FFF RCMT250700 RCMT2507M0N-RX .9843 .3126 .2992 ●●●● FFF RCMT120400ERH RCMT1204M0N-RH .4724 .1874 .1732 ★★★★ RCMT160600ERH RCMT1606M0N-RH .6299 .2500 .1969 ★★★★ RCMT200600ERH RCMT2006M0N-RH .7874 .2500 .2559 ★★★★

Q Q Q Q Q Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ

RX

( a p )

0 .08 .16 .24

( f )

.008 .016 .024

-15°

ERH

( a p )

.08 .16 .24

( f )

0

.008 .016 .024

-15°

C

RCMX100300 RCMX1003M0N-RP .3937 .1252 .1417 ★★★● FFF

★★★ F Q

RP

RCMX120400 RCMX1204M0N-RP .4724 .1874 .1654 ●★★● RCMX160600 RCMX1606M0N-RP .6299 .2500 .2047 ●★★● RCMX250700 RCMX2507M0N-RP .9843 .3126 .2835 ●●★★ RCMX320900 RCMX3209M0N-RP 1.2598 .3748 .3740 ★●★

★●★ F Q ★●●

FF FF

( a p )

.08 .16 .24

★★★ F Q

RCMX200600 RCMX2006M0N-RP .7874 .2500 .2559 ★★★● FFF

Q ★★★

Q Q

D

FF

( f )

0

.008 .016 .024

-15°

R

S

T

V

W

B90

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