® Swiss-Line Threading - ISO metric 60˚ Full Profile External thread L 8 Right Version Right hand cutting InsertSize L Ordering Code Pitch mm K20 BLUYP M GT25 R 0.5ISO 0.5 0.6 K GT25 R 0.6ISO 0.6 0.6 N GT25 R 0.7ISO 0.7 0.7 S H ≤45 HRc GT25 R 0.75ISO 0.75 0.7 25 GT25 R 0.8ISO 0.8 0.7 GT25 R 1.0ISO 1.0 0.8 GT25 R 1.25ISO 1.25 1.0 GT25 R 1.5ISO 1.5 1.1 For L.H, specify GT25 L instead of GT25 R Threading - UN unified 60˚ Full Profile External thread Right hand cutting InsertSize L Ordering Code Pitch TPI K20 BLUYP M GT25 R 56UN 56 0.6 K GT25 R 40UN 40 0.7 N 25 GT25 R 32UN 32 0.7 S H ≤45 HRc GT25 R 24UN 24 0.8 For L.H, specify GT25 L instead of GT25 R First choice Alternative A08-11