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Upgrade your Milwaukee M12 polisher/sander with this high-quality adapter! One end features 9mm threads for a secure fit to your tool, while the other end has a 5/16"-24 female thread to attach standard sanding backing pads (with 5/16-24 external threads). Made from durable 304 stainless steel, it resists rust and outlasts ordinary steel adapters—perfect for long-term use in any workshop.
This precision-machined adapter connects your M12 polisher/sander to industry-standard 5/16"-24 threaded sanding pads. The 9mm tool-side thread ensures a tight fit, while 304 stainless steel construction prevents corrosion, even in humid conditions. Stronger and longer-lasting than cheap steel alternatives—ideal for professionals who demand durability.
Transform your M12 polisher into a versatile sander with this sturdy adapter. The 9mm-to-5/16"-24 thread conversion allows quick attachment of common sanding pads, expanding your tool’s functionality. Built from rust-resistant 304 stainless steel, it withstands heavy use without degrading—no more worries about stripped threads or corrosion
Engineered for tradesmen who need reliability, this adapter bridges your M12 polisher/sander with standard 5/16"-24 sanding accessories. The corrosion-resistant 304 stainless steel ensures longevity, while the precise threading guarantees a wobble-free connection. Whether you're polishing or sanding, this adapter delivers a secure, hassle-free fit every time. Each version highlights different strengths (durability, compatibility, rust resistance, professional use). Let me know if you'd like any refinements!

This threaded adapter, manufactured by SUPROJDM, is designed to fit the Milwaukee M12 Polisher and Sander. It features 9mm threads on one end to connect with the polisher and 5/16-24 female threads on the other end, allowing the installation of a standard sanding backing pad with an external 5/16-24 thread. Please note that the backer pad and Milwaukee polisher are not included in this listing. Made from durable steel, this adapter is a reliable addition to your power tool kit, perfect for specific uses such as sanding backing pad installation on the Milwaukee M12 polisher/sander.