Here are some takeaways from the video:

• Spindle tapers:
• Small drill presses: External taper (e.g., JT33)
• Larger drill presses: Internal taper (Morse taper #2, #3, or #4)
• Industrial drill presses & milling machines: R8 spindle
• Large milling machines & CNC machines: NT type screw
• Arbor construction:
• Long part: Morse taper, R8, or NT taper
• Short part: Jacobs taper
• Selecting arbor and chuck:
• Consider the taper on your machine spindle.
• Match the arbor taper to the spindle and chuck taper.
• Cleaning before assembly:
• Remove oil, grease, and protective coatings from the spindle, arbor, and chuck using rags, alcohol, or degreaser.
• Drill chuck types:
• JT type: Fits directly onto a matching JT spindle (e.g., JT33 chuck on JT33 spindle).
• Jacobs taper chuck: Requires an arbor with a Morse taper on one end and a Jacobs taper on the other end.
• R8 spindle:
• Common on milling machines.
• Requires an R8 arbor with a threaded end for the drawbar.
• Integral drill chucks:
• Chuck and arbor are a single unit.
• Used for high-accuracy applications (milling machines, lathes, CNC).
• Available in various tapers (MT3, MT4, R8, CAT 30, CAT 40).

We trust you will find this video to be beneficial. Please feel free to reach out to us HERE if you have any questions on how to drill chucks and arbors.