DW511 (Type 4) DeWALT Hammer Drill - Overview

Maintain a secure seal and reliable performance in your power tool with this durable O-ring. Sourced from the original equipment manufacturer, this flexible rubber component is designed to create an airtight seal between connected parts. Over time, O-rings can deteriorate, crack, or lose elasticity—leading to air leaks and reduced tool ef...Read moreficiency. Sold individually, this replacement part offers a simple and effective solution to restore proper function and prevent performance issues.

The chuck attaches to the gear case and is made of metal. The chuck & key are sold together as a set. These are genuine Porter Cable and DeWALT parts sourced directly from the manufacturer for use in drills. Over time these parts may break and will need to be replaced.