201755 210042 210043 201647 201648 201755010 201755020 201755030 201755040 201755050 201755060 201755070 201755080 201755090 201755100 201755110 201755120 201755130 201755140 201755150 201755160 201755170 201755180 201755190 201755200 201755210 201755220 201755230 201755240 201755250 701 E H I N H l1 d3 d1 d2 Z 3 I I I I COUNTERSINKS 90° Content 6.3 · 8.3 · 10.4 · 12.4 · 16.5 · 20.5 mm (20 1755) Content 6.3 · 10.4 · 16.5 · 20.5 · 25.0 mm (20 1755) Content 6.3 · 8.3 · 10.4 · 12.4 · 16.5 · 20.5 mm Content 6.3 · 10.4 · 16.5 · 20.5 · 25.0 mm EMPTY SETS FOR SELF ASSEMBLY SETS Alu Steel Stainless Copper, brass, tin Plastics GRP/CRP Grey cast iron APPLICATION Solid carbide + BLUE-TEC coated countersink DIN 335 type C 90° Hastelloy, Inconel, exotic materials PROPERTIES Solid carbide + BLUE-TEC coated Made of solid carbide for maximum tool life, even in most difficult materials. BLUE-TEC coating for a further substantial increase in service life also when machining dry (no/less cooling) 4.3-11.5 mm solid carbide 12.4-31 mm brazed shank For countersinking in materials: • Abrasive and hard steel with a strength of over 1000 N/mm2 • Grey cast iron over 240 HB • High-alloyed chromium steel such as stainless (V2A / V4A) • Acid resistant steel • Titanium and titanium alloys • All further steel sorts, cast iron, non-ferrous metals ... where maximum tool life are desired. Solid carbide countersinks Art. 20 1755 comes with cylindrical shank. This countersink type is used mostly on CNC-machines with shrinking chucks. Shrinking chucks work only with cylindrical shank. Attention: Solid carbide countersinks should be only used on CNC machines. 1447 Cutting data Movie Countersinking per DIN 74 Art. d1 mm d3 mm l1 mm d2 mm Z AF BF o 4.3 1.3 40.0 4.0 3 – – o 5.0 1.5 40.0 4.0 3 M 2.5 – o 5.3 1.5 40.0 4.0 3 – – o 6.0 1.5 45.0 5.0 3 M 3 – I 6.3 1.5 45.0 5.0 3 – M 3 o 7.0 1.8 50.0 6.0 3 M 3.5 – o 7.3 1.8 50.0 6.0 3 – – o 8.0 2.0 50.0 6.0 3 M 4 – I 8.3 2.0 50.0 6.0 3 – M 4 o 9.4 2.2 50.0 6.0 3 – – o 10.0 2.5 50.0 6.0 3 M 5 – I 10.4 2.5 50.0 6.0 3 – M 5 o 11.5 2.8 56.0 8.0 3 M 6 – I 12.4 2.8 56.0 8.0 3 – M 6 Countersinking per DIN 74 Art. d1 mm d3 mm l1 mm d2 mm Z AF BF o 13.4 2.9 56.0 8.0 3 – – o 15.0 3.2 60.0 10.0 3 M 8 – I 16.5 3.2 60.0 10.0 3 – M 8 o 19.0 3.5 63.0 10.0 3 M 10 – I 20.5 3.5 63.0 10.0 3 – M 10 o 23.0 3.8 67.0 10.0 3 M 12 – I 25.0 3.8 67.0 10.0 3 – M 12 o 26.0 3.9 71.0 12.0 3 M 14 – o 28.0 4.0 71.0 12.0 3 – M 14 o 30.0 4.1 71.0 12.0 3 M 16 – I 31.0 4.2 71.0 12.0 3 – M 16 o Prices and time of delivery on request < 1400 N < 900 N > 10% Si 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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