Description
General description The DeWalt N446578 Return Spring Kit is a genuine factory replacement part designed to restore smooth operation and consistent firing performance in a range of DeWalt and Bostitch cordless nail guns. This high-quality spring assembly ensures proper return action of the driver blade after each shot, maintaining the tool’s speed, reliability, and balance. Technical specifications Part number: N446578 Component type: Return spring kit assembly Material: High-tensile spring steel Compatibility and accessories DeWalt DCN690 DeWalt DCN660 DeWalt DCN680 DeWalt DCB681 DeWalt DCN682 Bostitch BTCN10 Bostitch BTCN120 Installation Direct fit – no modification required Recommended for professional servicing or workshop repairs Usage Replace the return spring if your nail gun shows sluggish firing, failure to reset, or reduced impact force. Always disconnect the battery or air supply before disassembly. Clean and lightly lubricate internal components before refitting the new