Seat sizeSeat sizeSeat sizeSeat size Seat size Seat sizeSeat size Radial Depth of cut (inch)Radial Depth of cut (inch)Radial Depth of cut (inch) Seat size GROOVING / CUTTING OFF RECOMMENDED CUTTING CONDITIONS [For External Grooving / Cutting Off] *Below are the recommended cutting conditions when using the modular type holder GYHR/L2525M00/90-M25R/L with the modular blade GYM25R/LA-ooo. y Recommended feed rate and depth of cut GU BREAKER GS BREAKER : 1st recommended area aGrooving, Cutting off aGrooving, Cutting off Seat Size Insert Width Insert Width KJJ C .059", 1.50 mm G .157", 4.00 mm.167", 4.24 mm H HGFEGFED D .079", 2.00 mm.088", 2.24 mmH.187", 4.75 mm.197", 5.00 mm.206", 5.24 mm.094", 2.39 mm.236", 6.00 mmE.098", 2.50 mmJ.248", 6.31 mm D C .108", 2.74 mm .250", 6.35 mm 0 .001 .004 .008Feed (IPR) 0 .004 .008 .012 .016Feed (IPR) .118", 3.00 mmF.125", 3.18 mmK.315", 8.00 mm.128", 3.24 mm GM BREAKER GL BREAKER FLAT TOP GFGS (CBN) aGrooving, Cutting off a Grooving K J H H G G F FEEDD FE C D 0 .004 .008 .012 .016 0 .0008 .0016 .0024 .0031 .0039 0 .002 .004 .006 F Feed (IPR) Feed (IPR) Feed (IPR) MF BREAKER a Grooving a Turning : 1strecommended area Seat size.118J J .098 H H .079 G GF .059 FDE E .039 D .020 0 .002 .004 .006 .008 0 .002 .004 .006 .008 Feed (IPR) Feed (IPR) MS BREAKER a Grooving a Turning K : 1strecommended area Seat size.157K JH .118 JH G .079 G FE EF.039 D D 0 .004 .008 .012 .016 0 .004 .008 .012 .016 Feed (IPR) Feed (IPR) MM BREAKER a Grooving a Turning : 1st Seat size K recommended area .157 K J H .118 J GFE H.079FG.039DE D 0 .004 .008 .012 .016 0 .004 .008 .012 .016 Feed (IPR) Feed (IPR) F207