
THREADING
Y
ER/L-STACME
External STUB ACME Laydown X
Threading Inserts with a Shallow l
ACME Profile for Control Valves
di
External right-hand shown
NUT
Dimensions Tough 1 Hard
29°
IC50M
IC228
IC250
IC908
SCREW
Designation di TPI l X Y
16ER/L 16 STACME 9.52 16.0 16.00 1.0 1.0 • • •
16ER/L 14 STACME 9.52 14.0 16.00 1.1 1.1 •
16ER/L 12 STACME 9.52 12.0 16.00 1.2 1.2 • • •
16ER/L 10 STACME 9.52 10.0 16.00 1.3 1.3 • •
16ER/L 8 STACME 9.52 8.0 16.00 1.5 1.5 • • •
16ER/L 6 STACME 9.52 6.0 16.00 1.8 1.8 • •
22ER/L 5 STACME 12.70 5.0 22.00 2.0 2.3 • • •
27ER/L 4 STACME 15.88 4.0 27.00 2.3 2.4 • • •
27EL 3 STACME 15.88 3.0 27.00 2.8 2.9 • • •
• For Insert Identification System, see page 489 • STUB ACME ASME/ANSI B1.8-1988 Class 2G • For technical information and detailed cutting data,
see pages 536-546
For tools, see pages: C#-SER/L (530) • SER-D (530) • SER/L (529)
Y Y
IR/L-STACME
Internal STUB ACME Laydown X X
Threading Inserts with a Shallow l
l
ACME Profile for Control Valves
di
di Internal left-hand shown
NUT
Dimensions Tough 1 Hard
29°
IC50M
IC250
IC908
SCREW
Designation di TPI l X Y
16IR/L 16 STACME 9.52 16.0 16.00 1.0 1.0 •
16IR/L 14 STACME 9.52 14.0 16.00 1.1 1.1 •
16IR/L 12 STACME 9.52 12.0 16.00 1.2 1.2 • • •
16IR/L 10 STACME 9.52 10.0 16.00 1.3 1.3 •
16IR/L 8 STACME 9.52 8.0 16.00 1.5 1.5 •
16IR 6 STACME 9.52 6.0 16.00 1.8 1.8 • •
22IR/L 5 STACME 12.70 5.0 22.00 2.0 2.3 • •
22UIR 3 STACME 12.70 3.0 22.00 3.3 11.0 •
27IR/L 4 STACME 15.88 4.0 27.00 2.3 2.4 • • •
27IR/L 3 STACME 15.88 3.0 27.00 2.8 2.9 •
• For Insert Identification System, see page 489 • Tolerance: Class 2G. • For technical information and detailed cutting data, see pages 536-546
For tools, see pages: SIR/L (531)
514 ISCAR