*PLUMBERSSTOCK EXPERT* responded:
Hi! Thank you for your interest in our Milwaukee 43-72-0550 Bit Holder. This part is compatible with the following machines: the M18 Series, the Compact Driver Drill, the 1/2" Compact Driver Drill, Hammer Drill, and the Compact Brushless Hammer Drill/Driver. The M12 Drill does not have brass inserts embedded in the handle. You won't have anything to screw this device into. Hope this helps. If you're interested in purchasing the Milwaukee 43-72-0550 Bit Holder, just click the "Add to Cart" button, enter your zip code and you'll be all set. Thank you for visiting PlumbersStock.com. Have a wonderful day!