Sumitomo General Catalog 2025-2026

External Holders MTRN / PTFN

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

93°

External Turning MTRN

Fig 1

75º

Figure shows right-hand (R) tool.

LH

-6º

LF

-6º

C

Holder

Parts 

Dimensions (inch)

Clamp Screw

Lock Pin

Clamp Wrench

Shim Wrench

Applicable Insert

Cutting Edge Height

Clamp

Stock

Shim

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

H B LFWFHFLH

(For Hex Socket) (For Hex Socket)

MTRN R/L 123B   0.750 0.750 4.500 0.855 0.750 1.160 MTRN R/L 163D   1.000 1.000 6.000 1.105 1.000 1.160 MTRN R/L 164D   1.000 1.000 6.000 1.048 1.000 1.380 MTRN R/L 204D   1.250 1.250 6.000 1.298 1.250 1.380 MTRN R/L 205D   1.250 1.250 6.000 1.252 1.250 1.560 MTRN R/L 245E   1.500 1.500 7.000 1.752 1.500 1.560

1 3.0 ITSN-322 NL34L LH1/8 LH5/64 CL20 XNS48 1 3.0 ITSN433 NL46 LH1/8 LH3/32 CL20 XNS48 1 1 3.5 ITSN533 NL58 LH040 LH1/8 CL12 XNS510 1

TN □□ 33 □ B52

TN □□ 43 □ B56

TN □□ 54 □ B59

1

Fig 1

C

91˚

70 Style Holder - Facing Lever Lock LF

91°

D

–5˚

Fig 1

Facing PTFN

Fig 1

LH

–5˚

91˚

91˚

R

LF

LF

Figure shows right-hand (R) tool.

–5˚

–5˚

LH

–5˚

LH

–5˚

S

Holder

Parts 

Dimensions ( mm )

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

Shim Pin

Lever Pin

Cutting Edge Height

Wrench

Bolt

Shim

Applicable Insert

Stock

Overall Length

Cutting Edge

Height Width

Head

T

Cat. No.

Fig

Ref. Page

R L

Cat. No.

H B LFWFHFLH

(For Hex Socket)

PTFN R/L 1616H16 PTFN R/L 2020K16 PTFN R/L 2520M16 PTFN R/L 2525M16 PTFN R/L 3225P16 PTFN R/L 2525M22 PTFN R/L 3225P22 PTFN R/L 3232P22 PTFN R/L 3232P27 PTFN 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 25 32 25 170 32 32 25 32 32 170 40 32 25 32 32 170 40 32 34 40 40 200 50 40 34

   

V

TN □□ 33 □

B52

LCL3 LCS3 LST317 LSP3 LH025

 

W

1 LCL4 LCS4 LST42 LSP4 LH030 1

 

TN □□ 43 □

B56

1

 

1 LCL5 LCS5 LST53 LSP5 LH030

TN □□ 54 □

B59

1

When using handed breaker inserts for facing, the holder and insert are opposite handed.

 = World Wide Warehouse Item

C24

Made with FlippingBook flipbook maker