Internal grooving GH/GHU type GH/GHU Carbon steel / Alloy steel T P Stainless steel Q M Cast iron Q N O K Non-ferrous metals Q N Titanium alloy Q S Hard materials (~40 HRC) N H Hard materials (40 HRC ~) O N Dimension (mm) Tolerance Carbide Ceramic Cermet Edge preparation type Applicable toolholder No. of edges PVD CVD - PVD - - Insert Description CW CW CW S RE INSL min. max. PT600M CR9025 PR930 KW10 A66N TN60 TC40 TC60 A65 GH 4020-02 0.2 N N N N 2 4 7.5 20 - 0.05 + 0.05 KIGHR4532B-4 4020-05 0.5 N N N N KIGH&5540B-4 GH 4520-02 0.2 N KIGH&6550B-4 2 4.5 7.5 20 - 0.05 + 0.05 4520-05 0.5 N G GH 5020-02 2 5 7.5 0.2 20 - 0.05 + 0.05 N N N N 5020-05 0.5 N N N N GH 5520-02 0.2 N 2 5.5 7.5 20 - 0.05 + 0.05 KIGHR4532B-5 5520-05 0.5 N 3° CW±0.05 KIGH&5540B-5 INSL RE GH 6020-02 0.2 N N N N KIGH&6550B-5 3° 6 2 6 7.5 20 - 0.05 + 0.05 Grooving 6020-05 0.5 N N N N S 5° 120° GH 6520-02 0.2 N 2 6.5 7.5 20 - 0.05 + 0.05 6520-05 0.5 N GH 7020-02 0.2 N N N N 2 7 7.5 20 - 0.05 + 0.05 7020-05 0.5 N N N N GH 7520-02 0.2 N KIGHR5540B-7 2 7.5 7.5 20 - 0.05 + 0.05 KIGH&6550B-7 7520-05 0.5 N GH 8020-02 0.2 N N N N 2 8 7.5 20 - 0.05 + 0.05 8020-05 0.5 N N N N KIGHR4532B-4 GH 4020-05 T01020 2 4 7.5 0.5 20 - 0.05 + 0.05 N N N KIGH&5540B-4 KIGH&6550B-4 3˚ 3˚ CW ±0.05 RE GH 5020-05 T01020 2 5 7.5 0.5 20 - 0.05 + 0.05 N N N KIGHR4532B-5 INSL KIGH&5540B-5 S GH 6020-05 T01020 2 6 7.5 0.5 20 - 0.05 + 0.05 N N KIGH&6550B-5 5˚ 120˚ KIGHR5540B-7 GH 7020-05 T01020 2 7 7.5 0.5 20 - 0.05 + 0.05 N KIGH&6550B-7 KIGHR4532B-4 GHU 40-20 2 4 7.5 0.25 20 - 0.05 + 0.05 N N KIGH&5540B-4 3° CW±0.05 RE KIGH&6550B-4 3° INSL 10° GHU 50-20 2 5 7.5 0.3 20 - 0.05 + 0.05 N N S 5° 120° KIGHR4532B-5 KIGH&5540B-5 GHU 60-20 2 6 7.5 0.3 20 - 0.05 + 0.05 N N KIGH&6550B-5 Molded Chipbreaker N : Standard item R : Right hand only L : Left hand only U : Check availability Recommended cutting conditions: G119 G74