HP Rougher High-Performance Solid Carbide End Mills • Roughing Rougher Profiles Finishing Flat Shallow Fine-Profile End Mill Profile Rougher Rougher Straight cutting edge Ra = 0,5–0,8 Flat profile Cord profile Rz = 4–6 Ra = 2,5–3,5 Ra = 12–14 Lower power Rz = 20–25 Rz = 90–110 Higher feed speed Low power consumption Low power consumption Higher feed speed, less sensitive Higher feed speed, not sensitive to to vibration, good wear resistance; vibration, good wear resistance. good surface finish that is better than finisher tools. Power Consumption Profile Name Profile Name Profile Name Flat shallow profile Fine-profile rougher Chipbreaker pitch Application Area: Application Area: Application Area: Wide product range to cover most Wide product range to cover most Wide product range to cover most applications in aerospace market segments. applications in general engineering, as well applications in general engineering, as well Mainly for hard steel and stainless steel as aerospace market segments. Mainly for as aerospace market segments. Mainly and high-temperature alloys applications steel applications in profiling and slotting, for steel and stainless steel applications in in profiling and slotting, very good chip provides less force on the part. It will profiling and slotting, provides less force evacuation and wear resistance. It will provide Surface finish Ra 12-14 Rz 90-110. on the part. It will provide surface finish Ra provide surface finish Ra 2.5-3.5 Rz 20 25. 2.5-3.5 Rz 20 25. DQ13 4U50 • Centre cutting.  • Shallow pitch rougher.  • Chipbreaker profile.  • 4–6 flutes with variable spacing.  • All ferrous workpiece materials.  • Short length of cut and 3 x D diameter neck length.  • Stainless steel and high-temp alloys.  • Centre cutting.  4906 • Centre cutting.  • Fine profile.  4U80 • All ferrous workpiece materials.   • Shallow pitch rougher.  • 4–6 flutes with variable spacing.  • Regular length of cut.  • Stainless steel and high-temp alloys.  4976/4U70 Series • Centre cutting.  • Centre cutting.  • Flat shallow profile.  • Steels, stainless steel, and high-temperature alloys.   FOR MORE INFORMATION ON THE PRODUCTS SHOWN, PLEASE SEE PAGES B43–B50. B42 widia.com