The DTI Angle Base is a great way to core drill holes at an angle. Here are some things to know about the capabilities and features:

• Most rigid angle base on the market
• Large, beefy pin hinge: ½” x 10” long
• solid billet aluminum construction
• 0-45, in fixed 5 degree increments
• Additional leveling bolts allow for additional angles in between 5 degrees
• Modular, piggy back design for any model small core drill base

Link to product page on dmitools.com: DTI-AB-50

Here is a great setup from Superior Coring & Cutting.

Thanks Dave Merin @ SuperCoring 

Check out the Video: DTI Machines Customer Logos

Diamond Tech Inc, DTI has been machining customer logos into the the gearbox of their 4-Speed Core Drill for several years. Watch the video to see how it is done. 

It is pretty cool.