$56.99 10 Step Drill Bit 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1 1/8, 1 1/4, 1 3/8 Titanium Step 
Craftsman 1/8 x 1/2 in. Step Drill Bit - For for sale online | eBay
Drillpro 3/16-1/2 1/4-3/4 1/8-1/2 Inch Step Drill Bit Inch Type 1/4 Inch Shank Step Drill 
![1 1 2 step drill bit](https://www.toolsource.com/images/prod_images/KTI71235_1200Wx1200H.jpg "Step Drill Bit 1/8\-1/2\")
