Sumitomo General Catalog 2025-2026

External Holders MTCN / MTENNS

M Style Holder - General Turning and Profiling Clamp-on + Pin Lock

91˚

External Turning MTCN

Fig 1

LH

LF

C

Holder

Parts 

Dimensions (inch)

Clamp Screw

Lock Pin

Clamp Wrench

Shim Wrench

Applicable Insert

Cutting Edge Height

Clamp

Shim

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

Ref. Page

Cat. No.

N m

H B LFWFHFLH

(For Hex Socket) (For Hex Socket)

MTCNN443F  1.000 0.500 8.000 — 1.000 0.875 TN □□ 33 □ B52 1 3.0 ITSN-322 NL34L LH1/8 LH5/64 CL20 XNS48 MTCNN124B  0.750 0.750 4.500 — 0.750 1.060 TN □□ 43 □ B56 1 3.5 ITSN-433 NL46 LH040 LH3/32 CL12 XNS58 MTCNN644F  1.000 0.750 8.000 — 1.000 1.060 1 XNS510 MTCNN664F  1.500 0.750 8.00 — 1.500 1.220 1

M Style Holder - General Turning and Profiling Clamp-on + Pin Lock

91˚

External / Copying MTENNS

C

Fig 1

LH

D

-8º

LF

R

Holder

Parts 

Dimensions (inch)

Clamp Screw

Lock Pin

Clamp Wrench

Shim Wrench

Applicable Insert

Cutting Edge Height

Clamp

Shim

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

S

Ref. Page

Cat. No.

N m

H B LFWFHFLH

(For Hex Socket) (For Hex Socket)

MTENNS082A  0.500 0.500 4.000 — 0.500 1.000 TN □□ 22 □ B51 1 3.5 —

NL23 LH3/32 LH1/16 CL7 XNS-34

MTENNS103B  0.625 0.625 4.500 — 0.625 1.125 MTENNS123B  0.750 0.750 4.500 — 0.750 1.300 MTENNS163D  1.000 1.000 6.000 — 1.000 1.300

1 3.5

LH3/32

CL6 XNS36

T

TN □□ 33 □ B52

1

ITSN322 NL34L

LH5/64

3.0

LH1/8

CL20 XNS48

1 MTENNS164D  1.000 1.000 6.000 — 1.000 1.500 TN □□ 43 □ B56 1 3.0 ITSN433 NL46 LH1/8 LH3/32 CL20 XNS48 MTENNS205D  1.250 1.250 6.000 — 1.250 1.732 TN □□ 54 □ B59 1 3.5 ITSN533 NL58 LH040 LH1/8 CL12 XNS510 MTENNS246E  1.500 1.500 7.000 — 1.500 2.086 TN □□ 66 □ B60 1 3.5 ITSN637 NL68L LH040 LH9/64 CL12 XNS510 Applicable Inserts DTGN/DTFN/PTGN/PTTN/PTFN/ETGN/ETAN/ETFN/ETEN/ETXN/MTJN/MTXN 1st Recommended Insert ● Refer as well to the Insert Selection Guide (page A10). ● Some combinations need to be made to order or cannot be manufactured. EGU Name of Chipbreaker / CBN / PCD

V

W

Photo Grade

AC8025P

P (Steel)

M (Stainless Steel)

K (Cast Iron)

S (Exotic Alloy)

N (Non-ferrous) H (Hardened Steel)

Cutting Range

Finishing Medium Cutting Roughing Finishing Medium Cutting Roughing High-speed Finishing Finishing to Medium Cutting Medium to Roughing Finishing Medium Cutting Roughing —

Process

Coated Uncoated

EEF

SUMIBORON

EGU

EMU

EEG

EEM

ENZ

EGZ

EEF

EEG

EEM

EFE

SUMIDIA

SUMIBORON

SUMIBORON

Continuous Cutting

T1500Z

AC8015P

AC8025P

AC6020M

AC6020M

AC6030M

BN7000/BNC500 SUMIBORON

AC4010K

AC4010K

AC5015S

AC5015S

AC5015S

DA1000

BNC2010 SUMIBORON BNC2020 SUMIBORON

BN1000

EEF

ESU

EGU

EMU

EEG

EEM

EGZ

EGZ

EEF

EEG

EEM

SUMIDIA

SUMIBORON

General Cutting

AC8015P

AC8025P

AC8025P

AC6030M

AC6030M

AC6040M

BN7000/BNC500 SUMIBORON

AC4015K

AC4015K

AC5015S

AC5015S

AC5025S

DA1000

BN2000

EEG

ESX

EMX

EEF

EUX

EEM

EGZ

EGZ

EEF

EEG

EEM

SUMIDIA

SUMIBORON

Interrupted Cutting Recommended Cutting Conditions

AC8025P

AC8035P

AC8035P

AC6030M

AC6040M

AC6040M

BN7000/BNC500

AC420 K A16 on

AC420K

AC5025S

AC5025S

AC5025S

DA1000

BNC300

BN350

A10 on

A14 on

A18 on

A22 on

A20 on

BNC500 is for ductile cast iron.

 = World Wide Warehouse Item

N m Recommended Tightening Torque (N·m)

C21

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