Original DeWalt 604107-00 — Ball Steel

Replace a worn or missing detent/locking ball with this genuine DeWalt steel ball (part number 604107-00). It’s a precision ground, hardened steel ball used where a small hardened sphere is required for bit retention, detent action or pawl engagement in DeWalt tools; sold individually for straightforward fit-and-replace repairs. Fits many DeWalt combination saws and cordless drivers — examples include D27105 and D27107 series saws and several cordless models such as DCD700/DCD701/DCD710 and impact drivers in the DCF840/DCF850 .

This part is ideal when you need a like-for-like replacement to restore smooth detent action and secure bit/chuck engagement. For quick identification, look for the small hardened steel ball in the parts diagram under item 604107-00; it’s a direct, original DeWalt component used across multiple tool assemblies.

Note: this is listed among DeWalt parts as “BALL STEEL” in official spare-parts breakdowns for the models shown.