![Unibit Step Drill Bit, 3/16" to 1/2" Unibit Step Drill Bit, 3/16" to 1/2"](https://cdn11.bigcommerce.com/s-0ea95/images/stencil/300x300/products/68585/83766/619701__43460.1556334659.jpg?c=2)
![Unibit Step Drill Bit, 3/16" to 1/2" Unibit Step Drill Bit, 3/16" to 1/2"](https://cdn11.bigcommerce.com/s-0ea95/images/stencil/300x300/products/68585/83766/619701__43460.1556334659.jpg?c=2)
Unibit Bits are constructed of industrial-grade high speed molybdenum steel. For use with steel, copper, brass, aluminum and other thin materials. Exclusive design allows the drilling of perfectly round holes in these materials.
13 holes: 1/8" to 1/2"