Impact [ WORKING • SECRETS ]

: Locate the spring-loaded collar at the front of the tool and pull it forward.

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

: Align the square hole of the socket with the anvil of the wrench. : Locate the spring-loaded collar at the front

: Useful for reaching fasteners in tight spaces where the tool body won't fit. Impact

To put together a piece or accessory for an impact tool—whether it's a driver or a wrench—the process typically involves selecting compatible, attachments and securing them into the tool's specialized chuck or anvil . 1. Attaching Bits to an Impact Driver Impact drivers use a 1/4-inch hex quick-change chuck .