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    Alfa Tools 5/8″-11 Backing Pad Nut for 4-1/2″ & 5″ Pads

    Part #: AL-FD102

    The Alfa Tools FD102 Backing Pad Nut is a precision-machined steel fastener designed for securely mounting 4-1/2″ and 5″ Spiralcool-style abrasive backing pads onto right-angle grinders with 5/8″-11 threaded spindles. This heavy-duty nut provides tight, vibration-resistant retention for safe and stable operation under demanding grinding and sanding conditions. Manufactured to exacting standards, the FD102 ensures proper pad alignment, minimizing runout and extending tool and accessory life.