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Continued
U-Type PDX PDY PDX
IR/L-UN RE PDX PDY RE RE
Internal American UN Full Profile PDY IC
(UN, UNC, UNF, UNEF) lNSL lNSL lNSL
Laydown Threading Inserts
for General Applications IC THREADING
IC Internal left-hand shown
NUT Dimensions Tough 1 Hard
1/4 TP
60°
1/8 TP
SCREW IC1007
Designation IC TPI (4) RE INSL PDY PDX CICT (5) IC228 IC928 IC50M IC250 IC08 IC508 IC808 IC908
22IL 7 UN .500 7.0 .0087 .866 .06 .09 1 •
22IR 7 UN .500 7.0 .0087 .866 .06 .09 1 • • •
22IL 6 UN .500 6.0 .0118 .866 .06 .09 1 • •
22IR 6 UN .500 6.0 .0102 .866 .06 .09 1 • •
22IR 5 UN .500 5.0 .0150 .866 .07 .07 1 • •
22UIRL 4.5 UN .500 4.5 .0142 .866 .09 .43 1 •
27IR 8 UN 2M (2) .625 8.0 .0075 1.083 .12 .19 2 •
27IR 4.5 UN .625 4.5 .0142 1.083 .07 .09 1 • •
27IR 4 UN .625 4.0 .0185 1.083 .07 .10 1 • •
• For Insert Identification System, see pages 694-695 • Tolerance: class 2B,ANSI B1, 3M-1986 • For technical information and detailed cutting data, see pages 781-797
(1) With pressed chipformer
(2) Multi-tooth
(3) With pressed chipformer
(4) Threads per inch
(5) Number of teeth per corner
For tools, see pages: AVC-D-SIR/L (773) • C#-SIR/L (771) • MGSIR/L (111) • PICIN-MGSIR/L (412) • SIR/L (769)

±.0016 .945
PENTA 24-UN
American UN (UNC, UNF, UNEF)
Precision Ground Full Profile
Pentagonal External Inserts .142 .177
with a Chipformer 60°
RE
NUT
60° 1/4 TP Dimensions

1/8 TP
SCREW
Designation TPI (1) RE IC908
PENTA 24-24-UN 24.0 .0051 •
PENTA 24-20-UN 20.0 .0063 •
PENTA 24-18-UN 18.0 .0071 •
PENTA 24-16-UN 16.0 .0083 •
PENTA 24-14-UN 14.0 .0091 •
• DMIN(inch)=5435/TPI • Tolerance: Class 2A
(1) Threads per inch
For tools, see pages: HMSDV PEN (530) • HSTBS-PEN (530) • PCAD RE/LE-JHP (553) • PCADR/L (330) • PCADR/L-JHP (330) • PCHBR/L (332)
• PCHPR/L (329) • PCHR/L-24 (325) • PCHR/L-24-JHP (326)

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