Ship Auger Drill Bits
Durable hardened cutting edge for long life in tough materials, including nail-embedded wood. Fully-forged bit for maximum durability. Wide flutes for maximum chip removal and less binding. Aggressive screw-pitch for faster drilling. 5/16″ – 1-1/2″ in 6″ and 18″ length.
- Description
- Selection Chart
Description
- Durable hardened cutting edge for long life in tough materials.
- Fully-forged bit for maximum durability.
- Wide flutes for maximum chip removal and less binding.
- Aggressive screw-pitch for faster drilling.
- 5/16″ – 1-1/2″ in 6″ and 18″ length







The ThunderTwist’s TriCarb grade tip guarantees longer life with faster penetration due to increased chiseling action. ThunderTwist’s flute design, combined with copper brazing alloy creates the most reliable drill bit on the market. It is made with high quality American chrome-molybdenum nickel steel that is vacuum heat treated, and shot-peened for superior strength under the roughest conditions.












