ATA International Product Catalogue

201775 201775010 201775020 201775030 201775040 201775050 201775060 201775070 201775080 709 Z 3 d2 l1 d3 d1 COUNTERSINKS 90° Alu Steel Stainless Copper, brass, tin Plastics GRP/CRP Grey cast iron APPLICATION HSS-XE + BLUE-TEC coated countersink DIN 335 type C 90°, 3-flat-shank, extra long shank Hardox 450 Hardox 400 HSS-XE steel + BLUE-TEC coated Made of high-alloyed special steel 'XE' for considerably longer service life than HSS-steel. BLUE-TEC coating for a further substantial increase in service life also when machining dry (no/less cooling) For countersinking in materials: • High-alloyed chromium steel such as stainless (V2A / V4A) • Acid resistant steel • Steel • Cast iron • Non ferrous metals 3-flat shank for: –  Excellent torque transmission – No slippage in the drill chuck – This results to superior cutting output 1581 Cutting data Movie Countersinking per DIN 74 Art. d1  mm d3  mm l1 mm d2  mm Z AF BF I 6.3 1.5 154.0 5.0 3 – M 3 I 8.3 2.0 155.0 6.0 3 – M 4 I 10.4 2.5 157.0 6.0 3 – M 5 I 12.4 2.8 158.0 8.0 3 – M 6 Countersinking per DIN 74 Art. d1  mm d3  mm l1 mm d2  mm Z AF BF I 15.0 3.2 158.0 10.0 3 M 8 – I 16.5 3.2 161.0 10.0 3 – M 8 I 20.5 3.5 164.0 10.0 3 – M 10 I 25.0 3.8 164.0 10.0 3 – M 12 PROPERTIES < 1100 N < 900 N > 10% Si 11 Index 10 9 OIL 8 7 6 5 4 3 2 1