Grooving and Cut-Off TN601036069213606923–36071483607147––3607178 TN602536074243607489360749036074103607314360749136074923607422 TN7110–––––––– THM–––––––– TopGroove™ Grooving Inserts (NGD-K • Deep Grooving Inserts with Chip Control — continued) P ⅷ ⅷ ⅷ M ⅷ ⅷ ࠗ ⅷ first choice K ⅷ ࠗ ࠗ ࠗ ࠗ alternate choice N ⅷ ࠗ ⅷ S ⅷ ⅷ ⅷ H ࠗ ࠗ Right-hand insert shown; left-hand insert is mirror image. insert cutting catalogue number size W Ap max RR T edges NGD3M400LK 3 4,00 2,92 0,32 6,35 1 NGD4M400LK 4 4,00 2,92 0,57 9,53 1 NGD4M450LK 4 4,50 2,92 0,57 12,70 1 NGD3189LK 3 4,80 2,92 0,57 6,35 1 NGD4189LK 4 4,80 2,92 0,57 9,53 1 NGD4M500LK 4 5,00 2,92 0,57 12,70 1 NGD4M550LK 4 5,50 3,81 0,57 12,70 1 NGD4250LK 4 6,35 3,80 0,57 12,70 1 E62 widia.com