Spline Masonry Bits
The ThunderTwist Spline masonry bits have a TriCarb grade tip which guarantees longer life, with faster penetration due to increased chiseling action. The ThunderTwist also has a flute design which, combined with a copper brazing allow, creates the most reliable drill bit on the market.
ThunderTwist bits are made with the highest quality American chrome-molybdenum-nickel steel available. Then they are vacuum heat-treated, and shot-peened for superiors strength under the roughest conditions.
- Additional information
- Description
Additional information
| Size | 3/8″ X 12″ X 6″, 3/8″ X 18″ X 12″, 9/16″ X 23″ X 18 “, 1/2″ X 11″ X 6″, 1/2″ X 18″ X 13″, 1/2″ X 23″ X 18″, 5/8″ X 11″ X 6″, 5/8″ X 16″ X 11″, 5/8″ X 23″ X 18″, 3/4″ X 11″ X 6″, 3/4″ X 16″ X 11″, 3/4″ X 23″ X 18″, 3/4″ X 36″ X 31″, 7/8″ X 18″ X 12″, 7/8″ X 22″ X 16″, 7/8″ X 36″ X 31″, 1-1/8″ X 18″ X 12″, 1-1/8″ X 22″ X 17″, 1-1/4″ X 18″ X 12″, 1-1/4″ X 22″ X 17″, 1-1/4″ X 36″ X 31″, 1-1/2″ X 18″ X 16″, 1-1/2″ X 23″ X 17″, 1″ X 13″ X 8″, 1″ X 18″ X 13″, 1″ X 23″ X 18″, 1″ X 27″ X 22″, 2″ X 23″ X 18” |
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The ThunderTwist Spline masonry bits have a TriCarb grade tip which guarantees longer life, with faster penetration due to increased chiseling action. The ThunderTwist also has a flute design which, combined with a copper brazing allow, creates the most reliable drill bit on the market.
ThunderTwist bits are made with the highest quality American chrome-molybdenum-nickel steel available. Then they are vacuum heat-treated, and shot-peened for superiors strength under the roughest conditions.














Made from S2 modified shock resistant steel for professional performance and durability. Patented spiral torsion zone absorbs impact and extends bit life. Made with a high strength industrial magnet for securing your bits.

