Threading Tools Product Range ■ External Threading Tools →
□
□
Structure
Applicable Thread Symbol
Series
Appearance
Features
→
SSTE
M
W
· Adopts a flat 3-corner insert. Ground cutting edge flank produces superior machined surface with sharp cutting edge · Stable chip control through use of a 3D moulded breaker · Large lineup of inserts with a wiper edge · Range of lever lock holders with strong clamping force (shank size □ 25 to 32mm) □ □ □ □
UNC/UNF
G/Rp/W
NPT
R/Rc
→ F63
NPTF
UNJ
LTE/ STE
M
W
F
and screw-on type holders (shank size □ 12 to 16mm) · M-Class flat-mounted 3-corner insert is economical · Range of cermet grades · Stable chip control with incorporated chipbreaker
UNC/UNF
G/Rp/W
NPT
R/Rc
→ F64, F65 →
NPTF
UNJ
□ □ · For a small lathe with a shank size of □ 20mm or less · 2-corner vertically-mounted insert enables space-saving threading · Can also be used for back-turning threading with bar feeder · Can also be used for small-pitch (min. 0.2mm) threading □ □
STH
M
W
UNC/UNF
G/Rp/W
NPT
R/Rc
→
NPTF
UNJ
F76
■ Internal Threading Tools
Min. bore diameter (mm)
Structure
→
Applicable Thread Symbol
Series
Appearance
Features
□
SSTI
M
W
· Adopts a flat 3-corner insert. Ground cutting edge flank produces superior machined surface with sharp cutting edge · Stable chip control through use of a 3D molded breaker · Large lineup of inserts with a wiper edge
UNC/UNF
G/Rp/W
ø18
→
NPT
R/Rc
→ F66
NPTF
UNJ
STI
M
W
· M-Class flat-mounted 3-corner insert is economical · Stable chip control with incorporated chipbreaker · Range of cermet grades
UNC/UNF
G/Rp/W
ø20
NPT
R/Rc
→ F66
NPTF
UNJ
Note: The minimum machining diameter is the diameter of the screw prepared hole.
: 60° ISO General-purpose Metric Thread
: 55° General-purpose Thread (Whitworth)
: 60° Unified Thread
: 55° Parallel Thread for Pipe
: 60° American NPT
: 55° Taper Thread for Pipe BSPT
: 60° American NPTF
: 60° UNJ
→
→
F61
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