HI XN Type Threading Inserts XN Type Threading Inserts HI Pitch ( mm ) TPI Pitch ( mm ) TPI Shape Designation RC E Shape Designation RC E External Internal External Internal External Internal External Internal 60° XNT 2 R /L 0.70 - 3.00 1.25 - 3.50 8 - 36 7 - 20 0.10 1.91 XNTC 3 MR / L 150E 1.50 0.20 3.68 W 3 R /L 1.25 - 4.00 2.00 - 5.00 6 - 20 5 - 12 0.17 2.49 3 MR / L 200 E 2.00 0.27 3.68 4 R /L 1.25 - 6.25 2.00 - 6.25 4 - 20 4 - 20 0.17 3.25 3 MR / L 300E 3.00 0.40 2.90 3 R 32 E 32 0.10 3.76 3 R 28 E 28 0.12 3.76 3 R 24 E 24 0.13 3.76 3 R / L 20 E 20 0.16 3.76 3 R / L 18 E 18 0.18 3.76 E -i arc 3 R / L 16 E 16 0.19 3.76 RG 3 R / L 14 E 14 0.22 3.76 3 R 13 E 13 0.24 3.76 \ vE» r-E 3 R / L 12 E 3 R 11 E 12 11 0.25 0.28 3.76 2.72 RC XNTP 2 R /L 0.70 - 3.00 1.25 - 3.50 8 - 36 7 - 20 0.10 1.91 3 R / L 10 E 10 0.32 2.72 > 60° 60" \A W 3 R /L 1.25 - 4.00 2.00 - 5.00 6 - 20 5 - 12 0.17 2.49 3R 9E 9 0.36 2.72 4R / L 1.25 - 6.25 2.00 - 6.25 4 - 20 4 - 12 0.17 3.25 3 R /L 8 E 8 0.41 2.72 3 R 7E 7 0.47 2.72 XNTC 3 R / L 16 I 16 0.08 3.76 3 R / L 14 I 14 0.09 3.76 3 R / L 12 I 12 0.10 3.76 3 R / L 10 I 10 0.13 2.72 —E RC 3 R /L 8I 8 0.18 2.72 067 z> 068 XNTF 2 R /L 0.60 - 1.75 1.00 - 2.00 14 - 44 12 - 24 0.08 2.79 60° W 3 R /L 0.60 - 2.50 1.00 - 2.50 14 - 44 9 - 24 0.08 3.58 4R / L 0.60 - 2.50 1.00 - 2.50 14 - 44 9 - 24 0.08 5.11 —E [ RC 60" YXi3> * E —i RC 60° XNTK 2 R /L 0.60 - 1.75 1.00 - 2.00 14 - 44 12 - 24 0.08 2.79 W 3 R /L 0.60 - 2.50 1.00 - 2.50 10 - 44 9 - 24 0.08 3.58 4 R /L 0.60 - 2.50 1.00 - 2.50 10 - 44 9 - 24 0.08 5.11