External grooving GDM/GDMS/GDGS type GDM/GDMS Carbon steel / Alloy steel P Q N O P Stainless steel P P Q M Cast iron Q K Non-ferrous metals Q N Titanium alloy Q P S Hard materials (~40 HRC) O H Hard materials (40 HRC ~) Cer- Dimension (mm) Tolerance Carbide met Applicable toolholder No. of edges PVD - - Insert Description CW CW CW S RE INSL min. max. PR1215 PR1225 PR1535 TN620 GW15 TN90 1.5° RE GDM 2020N-020PH 2 2 4.3 0.2 20 - 0.03 + 0.03 N N N CW±0.03 1.5° INSL RE GDM 3020N-030PH 2 3 4.3 0.3 20 - 0.03 + 0.03 N N N G S High feed GDM 4020N-030PH 2 4 4.3 0.3 20 - 0.03 + 0.03 N N N G35, G36, G37 1.5° GDMS 2020N-020PH 1 2 4.3 0.2 20 - 0.03 + 0.03 N N N CW±0.03 INSL 1.5° GDMS 3020N-030PH 1 3 4.3 0.3 20 - 0.03 + 0.03 N N N RE S Grooving 1-edge / High feed GDMS 4020N-030PH 1 4 4.3 0.3 20 - 0.03 + 0.03 N N N GDGS Non-ferrous metals N N Titanium alloy N S Hard materials (~40 HRC) H Hard materials (40 HRC ~) N Sinteres steel N - PCD Dimension (mm) Tolerance CBN Edge preparation type Applicable toolholder No. of edges PVD - - Insert Description CW CW CW S RE LE INSL min. max. KBN05M KBN570 KPD001 E008 N GDGS 2020N-020NB 1 2 4.3 0.2 2.9 20 - 0.03 + 0.03 G35, G36 E002 N E008 N GDGS 3020N-040NB 1 3 4.3 0.4 2.9 20 - 0.03 + 0.03 G35, G36, G37 E002 N 2° CW LE E008 2° INSL RE N 0° GDGS 4020N-040NB 1 4 4.3 0.4 2.9 20 - 0.03 + 0.03 G35, G36, G37 E002 N S 1-edge E008 N GDGS 5020N-040NB 1 5 4.3 0.4 2.9 20 - 0.03 + 0.03 G35, G37 E002 N GDGS 6020N-040NB E008 1 6 4.3 0.4 2.9 20 - 0.03 + 0.03 N G35, G37 GDGS 2020N-020NB 1 2 4.3 0.2 2.9 20 - 0.03 + 0.03 N G35, G36 GDGS 3020N-020NB 1 3 4.3 0.2 2.9 20 - 0.03 + 0.03 N G35, G36, G37 2° CW LE 2° INSL RE 10° GDGS 4020N-020NB 1 4 4.3 0.2 2.9 20 - 0.03 + 0.03 N G35, G36, G37 S 1-edge GDGS 5020N-020NB 1 5 4.3 0.2 2.9 20 - 0.03 + 0.03 N G35, G37 GDGS 6020N-020NB 1 6 4.3 0.2 2.9 20 - 0.03 + 0.03 N G35, G37 N : Standard item R : Right hand only L : Left hand only U : Check availability Recommended cutting conditions: G111 - G112 G34