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4"-7" Aluminum Backing Plate 5/8"-11 Thread – Wet & Dry Polishing for Stone, Car, Metal

Upgrade your polishing and grinding workflow with this durable aluminum backing plate, designed for professional contractors, installers, and automotive detailers. Compatible with 5/8"-11 threaded polishers and grinders, these plates are ideal for use with diamond polishing pads, sanding discs, and buffing pads.

Key Features:

Material: High-strength aluminum for durability, heat resistance, and rigidity
Size Range: 4" to 7" (100mm – 180mm)
Thread Arbor: 5/8"-11 female thread – fits most standard grinders/polishers
Wet & Dry Compatible: Perfect for wet stone polishing or dry sanding/polishing
Professional Grade: Suitable for contractors, installers, and DIY enthusiasts

Applications:

Stone & Masonry: Granite, marble, terrazzo, concrete polishing
Automotive: Car paint polishing, scratch removal, buffing, gel coat
Metal & Wood: Stainless steel polishing, aluminum finishing, woodworking smoothing
Diamond Pads & Sanding Discs: Ideal for all hook-and-loop compatible pads

Why Choose Aluminum Backing Plates?
Unlike plastic or composite pads, aluminum provides rigid support, reducing vibration and heat build-up during polishing. This ensures better pad contact, smoother finishes, and longer pad life.