Sommerfeld's Stair Tread Bit is the perfect choice: razor-sharp, double-fluted tools with all of the features and advantages that define quality Sommefeld products. Made of special high-strength steel, our straight bits can withstand even the heaviest work load and still give you a smooth, precise cut every time.

Cutting Diameter 1-1/4"

Cutting Length 15/32"

Overall Length 2-1/4"

Shank Diameter 1/2"