B16-GT12 Drill Chuck Adapter and Connecting Rod Fits M16R Tapping Machine | eBay
DEWALT 1/4 In. Quick Connect to 3/8 In. Keyless Impact Chuck Adapter - Crafty Beaver Home Center
Bestgle 1/2-20UNF Mount 1.5-13mm Capacity Key Drill Chuck for Air Impact Wrench Converter Conversion Tool with Chuck Key and 1/2 inch Socket Square Female Adapter - Amazon.com
Precise Micro Drill Adapter with Key Type Drill Chuck 0-5/32" - DF-240 - Penn Tool Co., Inc
TEMO Keyless Chuck Adapter 1/4 Inch Hex Shank To Conventional or Microsize Drill Bit - Power Drill Chucks - Amazon.com
Chuck Adaptors for Magnetic Drill Units
All Industrial 49708 | 1/2" Straight Shank to 1/2"-20 Threaded Drill Chuck Arbor Hardened Adapter - All Industrial Tool Supply
2-13mm Plastic Keyless Drill Chuck 1/2"-20unf With 1/2" Chuck Adapter For Impact Wrench Conversion | Fruugo MY
NEIKO 20754A 3/8” Drill Chuck Adapter | Chuck Drill for Impact Drivers with 1/4