
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° THREADING SCREW Designation di TPI l X Y IC228 IC50M IC250 IC908 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° SCREW Designation di TPI l X Y IC50M IC250 IC908 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