(Well here it is. If you are trying to do a lot of heavy work that requires large bits and lots of power. Think about it this way. LED lights, etc.). To fix it, remove the bit and re-install trying to hold the tool as centered as possible.
Dremel 4486 Keyless Chuck, ideal for 1/32” (0.8mm) to 1/8” (3.2mm
Dremel Mega Chuck (1/4 Inch Chuck for Dremel type rotary tools)
Getting started with your Dremel rotary tool has become a whole lot easier. The included accessories feature the EZ Lock accessory system making accessory changes 6X faster than using a standard mandrel. Specially curated kit of 8 EZ lock accessories for your sanding and polishing needs.
Dremel - EZ726-01 - EZ Lock Sanding/Polishing Kit 8 PC
How does Dremel flexible shaft work? How can the bit rotate while the shaft can be flexible? - Quora
The Dremel multi chuck (4486) allows you to quickly and easily change accessories on your Dremel multi-tool without using collets. It accepts accessories from 0,4 mm to 3,4 mm shank.
Dremel Multi-Pro Rotary Tool Chuck, Black, 1/32
Rotary Tool Accessories for sale
Buy 4 types Multi Chuck Keyless For Dremel Rotary Tools M7/M8 Keyless Drill Bit Chucks Adapter Converter Universal Mini Chuck at Aliexpress for . Find
4 types Multi Chuck Keyless For Dremel Rotary Tools M7/M8 Keyless Drill Bit Chucks Adapter Converter Universal Mini Chuck
Is there an accessory to allow 1/4 inch shank bits to be used in
1/4 inch shank to Dremel. This adapter allows you to use your collection of Dremel type collets, chucks, bits, cutters, and burrs on any device that
1/4 inch Shank to Dremel Converter
How does Dremel flexible shaft work? How can the bit rotate while the shaft can be flexible? - Quora
TUNTROL 560W Flex Shaft Rotary Tool with 1/4 Chuck & Stepless
Rotary Tool Accessories for sale
Dremel 12V Variable Speed Cordless Brushless Smart Rotary Tool Kit