USER GUIDE Lead C=75°/3° L0.55 (reaming allowance = 0.2-0.4) Feed Rake Cutting Speed REAMERS [mm/rev] [ ° ] Vc[ m/min] Material Coated Material Carbide Cermet PCD CBN No. Carbide 1-5 Non-alloy steel, cast steel and free cutting steel Low alloy steel and cast steel 6-9 (less than 5% of alloying elements) High alloyed steel, cast steel 10-11 and tool steel 12-13 Stainless steel and cast steel 15-16 Grey cast iron (GG) 17-18 Nodular cast iron (GGG) 19-20 Malleable cast iron Please ask 21-22 Aluminum wrought alloy 0.15-0.3 12 150-250 23-25 Aluminum -cast, alloyed 0.15-0.3 12 150-250 26-28 Copper alloys Please ask 29-30 Non-metallic 701 701