Page 168 - THREADING CATALOG

THREAD TURNING PENTA 24-UN NUT M ±0.04 60° RE T 2.4 4.5 24 I C ANSI/ASME B1.1
American UN (UNC, UNF, UNEF)
2A
Precision Ground Full Profile

Pentagonal External Inserts
with a Chipformer

R
E
1/4 TP
60°
Dimensions
1/8 TP
SCREW
RE
Designation
PENTA 24-24-UN
24.0
•
0.16
PENTA 24-20-UN TPI (1) 0.13 • IC908
20.0
PENTA 24-18-UN 18.0 0.18 •
PENTA 24-16-UN 16.0 0.21 •
PENTA 24-14-UN 14.0 0.23 •
• For insert identification system, see page 45
• DMIN(inch)=5.435/TPI
• Tolerance: class 2A
(1) Threads per inch
Tools: PCAD RE/LE-JHP • PCADR/L • PCADR/L-JHP • PCHBR/L • PCHR/L-24 • PCHR/L-24-JHP • PCHR/L-24-JHP-MC

±.0016 .945

PENTA 24-UN
American UN (UNC, UNF, UNEF) 2A
Precision Ground Full Profile ANSI/ASME B1.1
Pentagonal External Inserts .142 .177
with a Chipformer 60°
RE

NUT I N C H
60° 1/4 TP
Dimensions
1/8 TP
SCREW
IC908
Designation TPI (1) RE
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 •
• For insert identification system, see page 45
• DMIN(inch)=5.435/TPI
• Tolerance: class 2A
(1) Threads per inch
Tools: HMSDV PEN • HSTBS-PEN • PCAD RE/LE-JHP • PCADR/L • PCADR/L-JHP • PCHBR/L • PCHR/L-24 • PCHR/L-24-JHP

ISCAR
166