® Swiss-Line Threading - Partial Profile 60° External Thread Y X L Right hand cutting Right Version InsertSize L mm TPI Ordering Code X Y K20 BLUP 0.5-1.5 48-16 GT19 R A60 2.8 1.1191.75-3.014-8GT19 R G602.81.70.5-3.048-8GT19 R AG602.81.7MKNS For L.H, specify GT19 L instead of GT19 R H ≤45 HRc Threading - Partial Profile 55° External Thread Y X L Right Version Right hand cutting InsertSize L mm TPI Ordering Code X Y K20 BLUP 0.5-1.5 48-16 GT19 R A55 2.8 1.0191.75-3.014-8GT19 R G552.81.70.5-3.048-8GT19 R AG552.81.7MKNS For L.H, specify GT19 L instead of GT19 R H ≤45 HRc First choice Alternative A08-25