10-Pack Disc Mower Blade Bolt and Nut Kit for New Holland 1409-1431 and 616-617 Series SKU: NHBOLTSHORT10PK

Loose or missing disc mower blade bolts create serious problems—blades work free during operation, causing uneven cut patterns, increased vibration, and potential blade loss that can damage the cutter bar or create safety hazards. This Grade 8 bolt and nut combination with serrated flanged head provides the exact thread locker design your New Holland disc mower needs for secure blade attachment.

Why This Kit Matters

• Grade 8 strength rating handles high-impact mowing forces and vibration
• Serrated flanged head design prevents loosening under field conditions
• Factory-spec dimensions ensure proper blade positioning and cutter bar clearance
• 10-pack quantity covers multiple blade replacements or preventive maintenance

When blade bolts start backing out or show wear, don't risk blade loss or uneven cutting. This genuine New Holland replacement kit restores factory security and performance. Questions about fitment for your specific model year? Give S&H Parts a call—we've been helping customers get the right hardware since 1969.