Sumitomo General Catalog 2025-2026

Fig 1

External Holders PTGN / PTTN

70 Style Holder - General Turning and Profiling Lever Lock LF

–5˚

91˚

External Turning PTGN

LH

–5˚

Fig 1

Fig 1

Figure shows right-hand (R) tool.

–5˚

LF

–5˚

LF

LH

–5˚

LH

–5˚

C

Holder

Parts 

Dimensions ( mm )

Shim Pin

Lever Pin

Applicable Insert

Cutting Edge Height

Wrench

Bolt

Shim

Stock

Overall Length

Cutting Edge

Figure shows right-hand (R) tool. Figure shows right-hand (R) tool. Head

Height Width

Cat. No.

Fig

Ref. Page

R L

Cat. No.

H B LFWFHFLH

(For Hex Socket)

PTGN R/L 1616H16 PTGN R/L 2020K16 PTGN R/L 2520M16 PTGN R/L 2525M16 PTGN R/L 3225P16 PTGN R/L 2525M22 PTGN R/L 3225P22 PTGN R/L 3232P22 PTGN R/L 3232P27 PTGN R/L 4040R27

1 1 1 1 1

16 16 100 20 16 20 20 20 125 25 20 20 25 20 150 25 25 20 25 25 150 32 25 20 32 25 170 32 32 20 25 25 150 32 25 28 32 25 170 32 32 28 32 32 170 40 32 28 32 32 170 40 32 33 40 40 200 50 40 33

   

TN □□ 33 □ B52

LCL3 LCS3 LST317 LSP3 LH025

 

1 LCL4 LCS4 LST42 LSP4 LH030 1

 

TN □□ 43 □ B56

1

1 LCL5 LCS5 LST53 LSP5 LH030

TN □□ 54 □ B59 Fig 1

1

C

70 Style Holder - General Turning and Profiling Lever Lock

60˚

–5˚

External Turning PTTN

LH 60˚

LF

Fig 1

Fig 1

D

–5˚

–5˚

R

–5˚

LH 60˚

LF

Figure shows right-hand (R) tool.

LH 60˚

LF

–5˚

–5˚

Holder

Parts 

Dimensions ( mm )

S

Shim Pin

Applicable Insert

Lever Pin

Cutting Edge Height

Wrench

Bolt

Shim

Stock

Overall Length

Cutting Edge

Head

Height Width

Figure shows right-hand (R) tool. Figure shows right-hand (R) tool.

Cat. No.

Fig

Ref. Page

R L

Cat. No.

H BLF WF HFLH

T

(For Hex Socket)

PTTN R/L 1616H16 PTTN R/L 2020K16 PTTN R/L 2520M16 PTTN R/L 2525M16 PTTN R/L 3225P16 PTTN R/L 2525M22 PTTN R/L 3225P22

1 1 1 1 1 1 1

16 16 100 13 20 20 125 17 25 20 150 17 25 25 150 22 32 25 170 22 25 25 150 22 32 25 170 22

16 25 20 25 25 25 25 25 32 25 25 25 32 25

   

TN □□ 33 □ B52

LCL3 LCS3 LST317 LSP3 LH025

 

V

TN □□ 43 □ B56

LCL4 LCS4 LST42 LSP4 LH030

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

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

CBN

CBN

CBN

EGU

EMU

EEG

EEM

EUZ

EGZ

EEF

EEG

EEM

EFE

EEF

PCD

Continuous Cutting

T1500Z

AC8015P

AC8025P

AC6020M

AC6020M

AC6030M

BN7000/BNC500

AC4010K

AC4010K

AC5015S

AC5015S

AC5015S

DA1000

BNC2010

BN1000

CBN

CBN

CBN

ESU

EGU

EMU

EEG

EEM

EGZ

EGZ

EEF

EEG

EEM

EEF

PCD

General Cutting

AC8015P

AC8025P

AC8025P

AC6030M

AC6030M

AC6040M

BN7000/BNC500

AC4015K

AC4015K

AC5015S

AC5015S

AC5025S

DA1000

BNC2020

BN2000

ESX

CBN

CBN

CBN

EUX

EEG

EGZ

EGZ

EEF

EEG

EEM

EEM

EMX

EEF

PCD

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

C25

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