The 5" Velcro Backing Plate for the Porter Cable 7424XP is a professional-grade dual-action adapter designed to convert or maintain your orbital polisher for optimal use with 5" and 5.5" buffing pads. Engineered with a standard 5/16"-24 threaded steel core, this plate features a premium hook-and-loop face that securely grips foam, microfiber, and wool pads during high-speed compounding and finishing operations. Its semi-flexible foam construction allows the plate to adapt seamlessly to complex automotive contours and curved marine gel coats without gouging the paint finish. Ideal for commercial detailing shops and fleet facilities, upgrading to this 5" profile maximizes the tool's machine torque, dramatically improving cutting and polishing efficiency compared to larger factory configurations.
- Optimized Power and Torque: Transitioning to a 5" diameter plate concentrates the orbital action to deliver significantly higher defect removal rates and better leveling capability. This smaller footprint maximizes the rotational efficiency of the polisher's 4.5 amp motor on tough clear coats and marine gel coats.
- Heavy-Duty Hook-and-Loop Grip: The commercial-grade Velcro surface ensures an instant, slip-free bond with all standard hook-and-loop buffing and polishing pads. This ultra-secure attachment style prevents pad delamination or dangerous slinging even when operating at maximum speed settings up to 6,800 OPM.
- Contour-Hugging Semi-Flexible Foam: Molded from high-end urethane foam, the plate yields subtly under localized pressure to trace complex vehicle body lines and wrap-around marine panels. This controlled flexibility distributes surface pressure evenly, preventing harsh edges from scorching or burning delicate clear coat finishes.
- Direct Threaded Installation: Outfitted with a standard 5/16"-24 male zinc-coated steel stud, the backing plate easily spins directly into the drive spindle of the 7424XP housing. It includes the necessary spacing wash to guarantee proper shroud clearance and maintain perfectly balanced, low-vibration operation across long detailing shifts.
