____________________ > Auburn
> System components
> Old Style
> Motor Components
> Diesel Motor Components
> 3 piece titanium nitride coated step dill set
3 piece titanium nitride coated step dill set
Step drill 1 - sizes from 1/8 to 1/2" in 1/32" increments: 1/8 , 5/32 , 3/16 , 7/32 , 1/4 , 9/32 , 5/16 , 11/32 , 3/8 , 13/32 , 7/16 , 15/32 , 1/2 . Step drill 2 - sizes from 1/4" to 3/4" in 1/16" increments: 1/4 , 5/16 , 3/8 , 7/16 , 1/2 , 5/8 , 9/16 , 11/16 , 3/4 . Step drill 3 - sizes from 3/16" to 1/2" in 1/16" increments: 3/16 , 1/4 , 5/16 , 3/8 , 7/16 ,