Threading Tools SSTE Type / SSTI Type
■ Features l High-precision inserts with wiper edge for threading, supporting a wide range of applications from general industrial machinery to pipes and aerospace devices l Stable chip control through use of a 3D molded chipbreaker l Ground cutting edge flank for improved cutting edge sharpness, resulting in high quality threads
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Ground flank periphery around cutting edge
■ Product Range
Pitch
Insert Cat. No. (Example)
External/ Internal
Applications
Type
TPI (Threads/Inch)
Pitch (mm)
48 36 32 28 27 24 20 19 18 16 14 13 12 11.5 11 10 8
16ER A60-CB
External Internal External Internal External Internal External Internal External Internal External Internal External Internal External Internal External Internal
48 to 8
0.5
3.0
60° General-purpose Thread
16IR A60-CB 16ER A55-CB 16IR A55-CB
48 to 8
0.5
3.0
48 to 8
55° General-purpose Thread
48 to 8
General Industrial Use
16ER 075ISO-CB 16IR 075ISO-CB 16ER 32UN-CB 16IR 32UN-CB 16ER 36W-CB 16IR 28W-CB 16ER 27NPT-CB 16IR 27NPT-CB 16ER 28BSPT-CB 16IR 28BSPT-CB 16ER 27NPTF-CB 16IR 27NPTF-CB 16ER 32UNJ-CB 16IR 32UNJ-CB
0.75 1.0 1.25 1.5 1.75 2.0
2.5
3.0
60° ISO Metric Thread
0.75 1.0 1.25 1.5 1.75 2.0
2.5
3.0
60° Unified Thread
55° Parallel Thread for Pipe/Whitworth
Pipe Coupling for Gas, Water and Water Faucets
60° American NPT
55° Taper Thread for Pipe BSPT
Steam, Gas and Water Supply Pipes
60° American NPTF
Aerospace Equipment
60° UNJ
48 36 32 28 27 24 20 19 18 16 14 13 12 11.5 11 10 8
For inch holders, the STH and STI holders will also fit these products
■ Application Examples
● Comparison of Cutting Force
● Machined Surface Comparison
Cleanly machined surface with fewer blemishes
Sharp cutting edge reduces resistance
300
280
260
240
220
At 1st pass
At 8th pass
0.1mm
200
SSTE Type Competitor's Product A
Competitor's Product B
Competitor's Product C
SSTE Type
Competitor's Product A
Part Material: Medium Carbon Steel (S45C), M30 × 1.5 Cutting Conditions: v
Part Material: Medium Carbon Steel (S45C), M30 × 1.5 Cutting Conditions: v
c =150m/min Wet 8 passes Thread infeed method: Radial infeed
c =150m/min Wet 8 passes Thread infeed method: Radial infeed
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