Noga 5.3mm HSSE-Cobalt Countersink - TiAlN Coated
Available
This HSSE-Cobalt countersink drill bit cuts a clean, self-centering 90° seat with minimal vibration, thanks to open groove geometry and a 3 flute design built to DIN 335C. The HSSE-Cobalt substrate holds an edge in steel up to 1300 N/mm² and treated steel to 60HRC, lasting longer than standard HSS, while the TiAlN coating adds further wear resistance and improves surface finish. Covering diameters from 5.3mm to 31mm, it's also a solid second choice for hard bronze and abrasive tough steel — just keep the cut lubricated.
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5.3mm countersink
Model Number: CM1404
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6.3mm countersink
Model Number: CM1409
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6.35mm countersink
Model Number: CM1411
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7.93mm countersink
Model Number: CM1414
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8.3mm countersink
Model Number: CM1416
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9.52mm countersink
Model Number: CM1419
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10.4mm countersink
Model Number: CM1421
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12.4mm countersink
Model Number: CM1424
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12.7mm countersink
Model Number: CM1425
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15mm countersink
Model Number: CM1428
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15.87mm countersink
Model Number: CM1430
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16.5mm countersink
Model Number: CM1431
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19.05mm countersink
Model Number: CM1434
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25mm countersink
Model Number: CM1437
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25.4mm countersink
Model Number: CM1438
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31mm countersink
Model Number: CM1442

