23 Geometry SHARP EDGED END MILLS AND END MILLS WITH CORNER RADIUS Tool specifications Art. 30 6258 30 6269 30 6267 30 6268 30 6271 30 6278 30 6542 30 6544 30 6545 30 6546 30 6632 58 77 78-79 80 81 70 120-121 122-123 124-125 126-127 146-147 Neck shape Straight Straight Straight Conical neck Straight Straight Straight Straight Straight Straight Straight Neck angle – – – 0.9° – – – – – – – Coating HXC-NANO3 HXC-NANO3 HXC-NANO3 HXC-NANO3 D-CC OBS DCC 0318 DCC 0318 DCC 0318 DCC 0318 CBN No. of items 19 21 66 50 30 10 57 73 116 71 81 Tool diameter 0.5-2.0 1.0-6.0 1.0-4.0 1.0-3.0 0.3-2.0 2.0-12.0 0.1-3.0 0.2-12.0 0.1-2.0 0.1-3.0 0.3-6.0 No. of flutes 3–4 4 4 4 2 4-6 2 2 2 2 2 Backdraft – – – – – – – – R accuracy – – –0.004 –0.004 –0.004 – – –0.004 –0.004 –0.004 ±0.004 Shank diameter 4 4-6 4-6 6 4 6.0-12.0 4 3-12 4 6 4-6 Edge preparation – – – – – – – With cooling holes in shank – – – – – – – – – – Application Roughing Semi-finishing Finishing Work material HRC < 55 – – – – – – – – – – – HRC < 70 – – – – – CEMENTED CARBIDE – – – – – – – – – – INOX stainless steel – – – – – – TITANIUM – – – – – – NONFERROUS METALS – – – – – – – – – – – GRAPHITE – – – – – – ZIRCONIA – – – – – – Maximum cutting depth Under neck length 10D 12D 20D 2D 5D 20D 25D 20D 20D 10D OVERVIEW MICROTOOLS 10D 20D 30D 40D 50D 50D 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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