WF CDX DCON CD Grooving Internal grooving GH/GHU type KIGH (Internal grooving / Deep grooving) DMIN H DMIN2(Min. cutting dia.) α LH LF (Available grooving depth) Fig. A Right-hand shown Toolholder dimensions Spare parts Availa-bility Dimension (mm) GClampClamp boltSpringWasherWrench (hex.) Description R CDX DMIN DCON H LH LF WF KIGHR 4532B-4 N 45 32 30 200 28.2 5540B-4 N 12 55 40 38 27 250 32.3 CGH-1L HH6X25 SP-6 W-6 LW-5 6550B-4 N 65 50 48 300 37.3 KIGHR 4532B-5 N 45 32 30 200 28.2 5540B-5 N 12 55 40 38 27 250 32.3 CGH-1L HH6X25 SP-6 W-6 LW-5 6550B-5 N 65 50 48 300 37.3 KIGHR 5540B-7 N 12 55 40 38 27 250 32.3 CGH-2L HH6X25 SP-6 W-6 LW-5 CDX shows the distance from the toolholder to the cutting edge. For the available grooving depth (CD), ref. to„List of Min. Available Cutting Diameter and Groove Depth“. LH depends on the insert‘s edge width. Rake angle (α) after installment of GH / GHU insert List of the min. cutting diameter and grooving depth (Refer to Fig. A) GH ○○○○ - ○○ GHU ○○-○○ Toolholder description øD (Min. dutting dia.) α Insert grades α Insert grades -5° A65, A66N, PT600M KIGHR 4532B- ○ ø110 ø70 ø65 ø60 ø55 ø45 +5° TC40 TN60 5540B- ○ ø70 ø60 ø55 TN90, TC60+15°PR930 +5° CR9025 6550B- ○ ø65 KW10 Available drooving depth CD (mm) 12 11.5 11 10 9 Under 8 N : Standard item R : Right hand only L : Left hand only U : Check availability G75