Tools > Cutting Tools > Endmills > Square End Mills | Sutton Tools 2 Flute Slot Drills - R30 N - Long | Descriptions For long-reach slotting applications For soft steels & non-ferrous material Features 2 Flute Slot Drill R30 N Suitable for materials up to 1000 N/mm2 TiCN for longer tool life Specifications Designation: N Material: High Speed Steel Cobalt-8 Finish: Bright Shank Form: A Helix Angle: R30 Point Tolerance: e8 Shank Tolerance: h6 Point Form: Square End Type: N (finishing) Standard: JIS Applications Optimal for Steel - Non-alloy, cast & free cutting (~ 0.15 %C)- 125 HB Optimal for Steel - Non-alloy, cast & free cutting (~ 0.45 %C)- 190 HB Optimal for Steel - Low alloy & cast < 5% of alloying elements- 180 HB Optimal for Aluminum & Magnesium, wrought alloy - Non Heat Treatable 60 HB Optimal for Aluminum & Magnesium, wrought alloy - Heat Treatable 100 HB