Y IR/L-RND Internal DIN 405 Round Laydown X Threading Inserts for Fire Fighting l and Food Industry Pipe Couplings di Internal left-hand shown R0.22105P NUT Dimensions Tough 1  Hard 30° THREADING R0.23851P SCREW Designation di TPI l X Y IC228 IC50M IC250 IC908 16IR 10 RND 9.52 10.0 16.00 1.1 1.2 • • • 16IR/L 8 RND 9.52 8.0 16.00 1.4 1.4 • • • 16IRM 8 RND (1) 9.52 8.0 16.00 1.4 1.4 • 16IR/L 6 RND 9.52 6.0 16.00 1.4 1.5 • • • 16IRM 6 RND (1) 9.52 6.0 16.00 1.4 1.5 • 22IR 6 RND 12.70 6.0 22.00 1.5 1.7 • • 22IR/L 4 RND 12.70 4.0 22.00 2.2 2.3 • • • 27IR/L 4 RND 15.88 4.0 27.00 2.2 2.3 • • • • For Insert Identification System, see page 489 • Tolerance: Class 7H. • For technical information and detailed cutting data, see pages 536-546 (1) With pressed chipformer. For tools, see pages: SIR/L (531) 524 ISCAR