Chicago Pneumatic CP-6440 RSS Pneumatic Impact Wrench

Chicago Pneumatic CP-6440 RSS is a 1/2-inch drive pneumatic impact wrench with a quick-disconnect (QD) drive, built for heavy-duty fastening and loosening tasks. This model sits in CP’s longstanding line of professional impact wrenches and is designed to deliver high-energy impacts in short bursts to help break stubborn fasteners such as lug nuts, wheel bolts, and other midsize assemblies. The tool accepts standard 1/2-inch drive sockets and accessories, enabling quick socket changes to suit a range of fastener sizes on automotive and industrial jobs. With its robust construction and CP pedigree, the CP-6440 RSS provides dependable performance in demanding workshop environments where consistent impact power and reliability are essential. Typical users include automotive shops, fleet maintenance operations, and industrial service teams that rely on durable, quarter-inch drive tools, and the 1/2-inch drive size offers a practical balance of compactness and torque capacity for mid-range fasteners.