[spinlock]

This is the one Synergy sells: Synergy MFG 1.50 inch Per Foot Tapered Reamer - 4011

But you can find others at any machine shop supply ore even eBay. It's a 1.5" taper 7º
reaming tool.

 

[Tweak]

ruffstuff sells adapters, you just drill the knuckle and drop it in.

 

[highwayman]

I purchased mine through Grainger.

 

[kjeeper10]

ruffstuff sells adapters, you just drill the knuckle and drop it in.

This, Harbor freight sells a set of 1/2 drill bits for around $30

 

[Thatguy93]

Awesome guys! Thanks for the feedback