$51.99 LENOX 30888VB11 HSS Step Drill Bit 2 Sizes, 7/8-1-1/8 - Walmart.com - Walmart.com
Aliexpress.com : Buy 3pc Hss Steel Step Cone Drill Titanium Bit Metal Wood Hole Cutter 3/16 1/2 
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 
![1 1 2 step drill bit](https://www.toolsource.com/images/prod_images/KTI71235_1200Wx1200H.jpg "Step Drill Bit 1/8\-1/2\")
