Hex and Round Dies, Threading
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials for making new threads or re-threading a damaged end.
- Additional information
- Description
Additional information
| Size | 1/4″-20, 5/16″-18, 3/8″-16, 1/2″-13, 5/8″-11, 3/4″-10 |
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High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials for making new threads or re-threading a damaged end.





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.










