- THUNDERWEB HSS-G (19-piece), with 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10mm
- Parabolic web cross section: Large web thickness with Strength built in
- Flute geometry - Thunderweb flute form ejects hot chips rapidly. Dissipates heat better increasing life time
- 135 degree Split point - Precision starting, drill bit won't walk on material surface
- Polished finish reduces friction and extends drill bit life
- Impact resistant ABS case with added rubber corner protection
- Accepts higher feed pressure and torque equaling less breakages
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