Sumitomo General Catalog 2025-2026

Threading Tools SSTE / SSTI Inserts

F72

SSTE Type Guidelines for Depth of Cut and No. of Passes

Internal

Fig 1

3.81

(

Coated Carbide)

ø9.525

F

PDX

3- RE

60°/55° General-purpose Threads (Partial Profile)  Dimensions ( mm ) Thread

60° American NPT (Full Profile) 

Dimensions ( mm )

X direction

Y direction

Nose Radius Pcs/ Pack

X direction

Y direction

Nose Radius Pcs/ Pack

Thread Ridge Angle

Pitch

Pitch

Ridge Angle

Cat. No.

Fig

Cat. No.

Fig

mm Threads/Inch PDX PDY RE

mm Threads/Inch PDX PDY RE

16IR A60-CB 16IR AG60-CB 16IR G60-CB 16IR A55-CB 16IR AG55-CB 16IR G55-CB

16IR 27NPT-CB 16IR 18NPT-CB 16IR 14NPT-CB 16IR 115NPT-CB 16IR 08NPT-CB

27 0.8 0.6 0.06 18 0.8 0.6 0.06 14 1.5 1.1 0.08 11.5 1.5 1.0 0.08 8 1.5 1.0 0.13

 0.5-1.5 16 - 48 0.8 0.5 0.09  0.5-3.0 8 - 48 1.5 1.1 0.10  2.0-3.0 8 - 14 1.5 1.1 0.18

1 1 1 1 1 1

1 1 1 1 1

- - - - -

    

60˚

5

60˚

5

16 - 48 0.8 0.5 0.05 8 - 48 1.5 1.1 0.08 8 - 14 1.5 1.1 0.20

- - -

  

5

55˚

55° Taper Thread for Pipe / BSPT (Full Profile)  Dimensions ( mm ) Thread

60° ISO Metric Thread (Full Profile) 

Dimensions ( mm )

X direction

Y direction

Nose Radius Pcs/ Pack

Pitch

X direction

Y direction

Nose Radius Pcs/ Pack

Ridge Angle

Cat. No.

Fig

Thread Ridge Angle

Pitch

Cat. No.

Fig

mm Threads/Inch PDX PDY RE

mm Threads/Inch PDX PDY RE

16IR 28BSPT-CB 16IR 19BSPT-CB

28 0.8 0.6 0.13 19 0.8 0.6 0.18

1 1

- -

 

55˚

5

16IR 075 ISO-CB 16IR 100 ISO-CB 16IR 125 ISO-CB 16IR 150 ISO-CB 16IR 175 ISO-CB 16IR 200 ISO-CB 16IR 250 ISO-CB 16IR 300 ISO-CB

 0.75  1.00  1.25  1.50  1.75  2.00  2.50  3.00

0.5 0.9 0.04 0.8 0.6 0.06 0.8 0.6 0.07 0.8 0.6 0.09 1.5 1.0 0.10 1.5 1.1 0.13 1.5 1.1 0.15 1.5 1.1 0.19

1 1 1 1 1 1 1 1

- - - - - - - -

60° American NPTF (Full Profile) 

Dimensions ( mm )

X direction

Y direction

Nose Radius Pcs/ Pack

5

60˚

Thread Ridge Angle

Pitch

Cat. No.

Fig

mm Threads/Inch PDX PDY RE

16IR 27NPTF-CB 16IR 18NPTF-CB 16IR 14NPTF-CB 16IR 115NPTF-CB 16IR 08NPTF-CB

27 0.8 0.6 0.06 18 0.8 0.6 0.08 14 1.5 1.0 0.13 11.5 1.5 1.0 0.08 8 1.5 1.1 0.13

1 1 1 1 1

- - - - -

    

60˚

5

60° Unified Thread (Full Profile) 

Dimensions ( mm )

X direction

Y direction

Nose Radius Pcs/ Pack

Thread Ridge Angle

Pitch

Cat. No.

Fig

mm Threads/Inch PDX PDY RE

60° UNJ (Full Profile) 

Dimensions ( mm )

16IR 32UN-CB 16IR 28UN-CB 16IR 24UN-CB 16IR 20UN-CB 16IR 18UN-CB 16IR 16UN-CB 16IR 14UN-CB 16IR 13UN-CB 16IR 12UN-CB 16IR 10UN-CB 16IR 08UN-CB

32 0.5 0.9 0.04 28 0.8 0.6 0.06 24 0.8 0.7 0.06 20 0.8 0.6 0.08 18 0.8 0.6 0.08 16 0.8 0.7 0.09 14 1.5 1.1 0.13 13 1.5 1.1 0.11 12 1.5 1.1 0.13 10 1.5 1.1 0.15 8 1.5 1.1 0.20

1 1 1 1 1 1 1 1 1 1 1

- - - - - - - - - - -

          

X direction

Y direction

Nose Radius Pcs/ Pack

Thread Ridge Angle

Pitch

Cat. No.

Fig

mm Threads/Inch PDX PDY RE

16IR 32UNJ-CB 16IR 28UNJ-CB 16IR 24UNJ-CB 16IR 20UNJ-CB 16IR 18UNJ-CB 16IR 16UNJ-CB 16IR 14UNJ-CB 16IR 12UNJ-CB 16IR 10UNJ-CB

32 0.5 0.9 0.04 28 0.8 0.6 0.05 24 0.8 0.6 0.06 20 0.8 0.6 0.06 18 0.8 0.6 0.06 16 0.8 0.6 0.09 14 1.5 1.1 0.09 12 1.5 1.1 0.11 10 1.5 1.1 0.15

1 1 1 1 1 1 1 1 1

- - - - - - - - -

        

5

60˚

5

60˚

55° Parallel Thread for Pipe / Whitworth (Full Profile)  Dimensions ( mm ) Thread

X direction

Y direction

Nose Radius Pcs/ Pack

Insert Cat. No. Nominal

Pitch

Ridge Angle

Cat. No.

Fig

16 I R 150 ISO - CB

mm Threads/Inch PDX PDY RE

(Example)

16IR 28W-CB 16IR 24W-CB 16IR 20W-CB 16IR 19W-CB

28 0.8 0.6 0.12 24 0.8 0.6 0.14 20 0.8 0.6 0.18 19 0.8 0.6 0.18

1 1 1 1

- - - -

   

55˚

5

① Insert Size Symbol 16 Inscribed Circle (mm) 9.525

③ Feed Direction Symbol R Feed Direction Right Hand

④ Pitch or TPI

⑤ Thread Type

⑥ Chipbreaker Symbol CB Description With Chipbreaker

Symbol Wiper Edge

Type

Metre= Pitch x 100 Inch= TPI (115 only for 11.5) (Example) 075 150 20 : Pitch 0.75mm : Pitch 1.5mm : 20TPI

ISO UN W NPT BSPT NPTF UNJ

Metric Thread Unied Thread Whitworth American Taper Thread for Pipe Taper Thread for Pipe American Taper Thread for Pipe For Aerospace Equipment 60° General-purpose Thread 55° General-purpose Thread

② External/Internal Symbol E I Ex/In O.D. Internal Diameter

Symbol

Pitch/TPI

Pitch TPI Pitch TPI Pitch TPI

: 0.5 to 1.5mm : 16 to 48 : 0.5 to 3.0mm : 8 to 48 : 2.0 to 3.0mm : 8 to 14

A AG G

60 55

F78

 Worldwide Warehouse Item

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