IR/L-UN (continued)
Internal American UN, Full Profile (UN, UNC, UNF, UNEF) Laydown Threading Inserts,
for General Industry
R y Y R Y
U-Ty
U-Type X NUT
x X di 1/4 P
60°
l l l

di 1/8 P
di SCREW
Internal left-hand shown

Dimensions Tough ¥ Hard


IC1007
IC50M
IC228
IC928


IC250


IC508
IC808
IC908
IC08
Designation di TPI l R X Y Z(3)
16IR/L 12 UN 9.52 12.0 16.00 0.12 1.1 1.4 1 O O O O O
16IRB 12 UN (1) 9.53 12.0 16.00 0.12 1.1 1.4 1 O
16IRM 12 UN (1) 9.52 12.0 16.00 0.12 1.1 1.4 1 O O O O
16IR 11.5 UN 9.52 11.5 16.00 0.13 1.1 1.5 1 O
16IR 11 UN 9.52 11.0 16.00 0.14 1.1 1.5 1 O O O
16IR/L 10 UN 9.52 10.0 16.00 0.15 1.1 1.5 1 O O O
16IRB 10 UN (1) 9.52 10.0 16.00 0.15 1.1 1.5 1 O
16IR 9 UN 9.52 9.0 16.00 0.17 1.2 1.7 1 O
16IR/L 8 UN 9.52 8.0 16.00 0.19 1.1 1.5 1 O O O O
16IRB 8 UN (1) 9.52 8.0 16.00 0.19 1.1 1.5 1 O
16IRM 8 UN (1) 9.52 8.0 16.00 0.20 1.1 1.5 1 O O O
• Tolerance: class 2B,ANSI B1, 3M-1986.
(1) With pressed chipformer. (2) Multi-tooth (3) Number of teeth per corner.

For tools, see pages: E-SIR-HEAD (B97) • MGSIR/L (B41) • SIR/L (B96).


 O

PICCO R/L-ISO-Thread
Mini-Carbide Bars for ISO Internal Thread Turning, Dmin 2.4 mm

l1
X
dh6
Y
Y 60°
a f te
x
l2 W
Right-hand shown

Dimensions Tough ¥ Hard
IC228

IC908


Designation d Pitch te w Y f a l2 l1 D min
PICCO R 003.0105-8 3.00 0.50 0.27 0.04 0.3 0.3 2.30 8.0 22.00 2.40 O
PICCO R 004.0105-10 4.00 0.50 0.27 0.09 0.4 1.0 3.00 10.0 24.00 3.20 O
PICCO R/L 004.0205-15 4.00 0.50 0.27 0.06 0.4 1.5 3.50 15.0 30.00 4.00 O
PICCO R/L 005.0205-15 5.00 0.50 0.27 0.06 0.4 1.9 4.40 15.0 30.00 5.00 O
PICCO R/L 005.0407-15 5.00 0.75 0.40 0.90 0.5 1.9 4.40 15.0 30.00 5.00 O O
PICCO R/L 005.0510-15 5.00 1.00 0.55 0.12 0.6 1.9 4.40 15.0 30.00 4.80 O
PICCO R/L 006.0510-15 6.00 1.00 0.55 0.12 0.6 2.3 5.30 15.0 30.00 6.00 O
PICCO R/L 006.0612-15 6.00 1.25 0.68 0.15 0.7 2.3 5.30 15.0 30.00 6.00 O
PICCO R/L 006.0815-15 6.00 1.50 0.81 0.18 0.8 2.3 5.30 15.0 30.00 6.00 O
PICCO R/L 007.0815-15 7.00 1.50 0.81 0.18 0.8 2.7 6.30 15.0 30.00 7.00 O


B107
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