TN601036076513607643–36076743607645TN60103636551 TN602536078373607824360784636078333607828TN60253636555 THM–––––THM– Threading TopThread™ Threading Inserts P ⅷ ⅷ M ⅷ ⅷ ⅷ first choice K ⅷ ⅷ ࠗ ࠗ alternate choice Partial Profile 60° N ࠗ ࠗ ⅷ S ⅷ ⅷ ⅷ H ࠗ NT-K insert external thread internal thread external internal catalogue number RC E size pitch mm pitch mm TPI TPI right hand NT2RK 0,10 1,91 2 0,70-3,0 1,25-3,5 8-36 7-20 NT3RK 0,17 2,49 3 1,25-4,0 2,0-5,0 6-20 5-12 NT4RK 0,17 3,25 4 1,25-6,25 2,0-6,25 4-20 4-12 left hand NT2LK 0,10 1,91 2 0,70-3,0 1,25-3,5 8-36 7-20 NT3LK 0,17 2,49 3 1,25-4,0 2,0-5,0 6-20 5-12 Partial Profile 60° Internal NT-1L insert external thread internal thread external internal catalogue number RC E size pitch mm pitch mm TPI TPI left hand NT1L 0,08 1,09 1 — 1,0-2,0 — 12-24 widia.com F13