Disc Mower Pressure Block Lock Nut — Heavy-Duty Hex Lock Nut SKU: Z17554

This is a heavy-duty lock nut designed to secure the pressure block assembly on disc mowers — a small but critical part that keeps mower discs properly tight during cutting.

It’s built for rugged farm use and resists loosening under vibration and stress, helping ensure your mower stays adjusted and works reliably season after season.

• Type: pressure block lock nut for disc mower assemblies
• Made to maintain secure clamping force — helps prevent accidental loosening under heavy use
• Durable metal construction suitable for high-vibration disc mower environments
• Compact size — fits within standard disc mower lock-nut specifications

Installation Tip: When installing, tighten the nut to firm hand-tight plus a small additional turn using the proper wrench — don’t over-tighten, as that can stress the block or threads.

This lock nut is a dependable, long-lasting solution to keep your disc mower’s pressure block secure and operating safely during fieldwork.