- METRIC SIZE: The drill bits include metric drills:1.5-6.5mm，1-10mm，1-13mm ，can meet more needs
- QUICK AND EFFICIENT: The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal
- HSS DRILL BIT SET: HSS cobalt drill bit set for hardened steel with excellent cutting performance. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling
- DEDICATED SUPPORT : Please don’t hesitate to contact us if you need the Cutting Condition Data. We want to ensure you receive the best product that meets your requirements.
English 
Chinese 
German 
French 
Portuguese 
Spanish 
Turkish 
Russian 
Polish