TURNING INSERTS TURNING INSERTS OPTIMUM GRADES AND CHIP BREAKERS FOR EXTERNAL TURNING Finish Cutting Stable Cutting A General Cutting AZ Unstable Cutting HTi10 F Finish Cutting AZ HTi10 AZ HTi10 Aluminum Alloy (EX. : A6061, A7075) vc : Cutting speedf: Feed 7° POSITIVE INSERTS WITH HOLE ap : Depth of cut. Cutting Area Chip Breaker Grade 1st Recommendationvc (SFM) f (IPR) ap (inch) Stable Cutting F AZ HTi10 985 ─ 2295 .004 ─ .016 .008 ─ .119 General Cutting F AZ HTi10 985 ─ 2295 .004 ─ .016 .008 ─ .119 Unstable Cutting F AZ HTi10 985 ─ 2295 .004 ─ .016 .008 ─ .119 A024