USP Universal Flex Head Spring Replacement - Hard Flex
Balanced replacement spring for everyday grinding on standard to hard concrete.
The Hard Flex Spring delivers the perfect mix of flexibility and rigidity for most surface prep and polishing jobs. It maintains aggressive material removal while keeping the plate stable under load.
- Perfect for: - General concrete grinding, glue/mastic removal, and 200-800 grit honing - High-traffic warehouse or retail floors - All planetary grinders including CPS, Lavina, and Blastrac
- Key Benefits:
- Balanced performance - cuts fast without skipping or vibration
- Drop-in fit - matches OEM geometry, no adapters needed
- High-cycle durability - tested to 10,000+ flex cycles
- Superior to Runyon/Husqvarna PG820 hard springs
