- 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.
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