Impact (2K)

: Slide a hex-shank bit into the opening. These bits often have a notch that the chuck grips to lock them in place.

: Let go of the collar. It should snap back, securing the bit. Gently pull on the bit to ensure it won't fly out during use. Impact

: These convert a square-drive anvil to a hex-drive, allowing an impact wrench to drive standard screwdriver bits. How To Put A Drill Bit In A Impact Driver : Slide a hex-shank bit into the opening