
IR/L-ACME
Internal ACME Profile Laydown Threading Inserts, for Feed Screws
Y
NUT
29°
X
l
di SCREW
Internal left-hand shown
Dimensions Tough ¥ Hard
IC50M
IC250
IC508
IC908
Designation di TPI l X Y
16IR/L 16 ACME 9.52 16.0 16.00 0.9 1.0 O O
16IR/L 14 ACME 9.52 14.0 16.00 1.0 1.2 O
16IR/L 12 ACME 9.52 12.0 16.00 1.1 1.2 O O O
16IR/L 10 ACME 9.52 10.0 16.00 1.3 1.3 O O
16IR/L 8 ACME 9.52 8.0 16.00 1.5 1.5 O O O O
• ACME ASME/ANSI B1.5-1988 Class 3G.
For tools, see pages: E-SIR-HEAD (B97) • SIR/L (B96).
IR/L-ABUT
Internal American Buttress Laydown Threading Inserts, for High Force Transmission in
One Direction
Y
P NUT
45°
X
l
7°
di SCREW
Internal left-hand shown
Dimensions Tough ¥ Hard
IC50M
IC228
IC250
IC908
Designation di TPI l X Y
11IR 20 ABUT 6.35 20.0 11.00 1.0 1.3 O
11IR/L 16 ABUT 6.35 16.0 11.00 1.0 1.5 O O O
16IR 20 ABUT 9.52 20.0 16.00 1.0 1.3 O O
16IR/L 16 ABUT 9.52 16.0 16.00 1.0 1.5 O O
16IR/L 12 ABUT 9.52 12.0 16.00 1.4 2.0 O O O
16IR/L 10 ABUT 9.52 10.0 16.00 1.5 2.3 O O O
• ANSI B1.9-1973 Class 2.
For tools, see pages: E-SIR-HEAD (B97) • SIR/L (B96).
B112 ISCAR
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