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Alpha 516-50 is an OEM 44 nut designed as a direct replacement for Alpha sanders, polishers, and concrete saws. It fits Alpha models AIR-658, AIR-680, AIR-680UW, AIR-830, and PSC-600 and restores proper fastening for pneumatic tool assemblies. Part identification is supported by diagram reference (part 20) and reference numbers ERP10261893 and FIX10261893.
Direct OEM 44 nut replacement for specified Alpha sanders, polishers, and concrete saws with diagram and reference numbers for fit verification.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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