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TITISKIN

3PCS Spindle Blade Nut for Cub Cadet Zero Turn Mower RZT50 RZT54 RZT42

  • Based on 585 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Oct 19
Order within 17 hours and 42 minutes
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Features

  • 3 Pack- Aftermarket Spindle Blade Jackshaft Nuts
  • Compatible with most Tractors
  • Known as Flange Lock Nuts,Blade Lock Nuts, Hex Flange Nuts,Spindle Nuts,this nuts are used to secure a blade to the spindle.Can be used on Blade or Pulley Side.
  • For Models: RZT50, RZT54, & RZT42 , 600 & 800 Series, & Many Others R809K, RZT42, RZT50, T609, T809H, U609H, V809H, X609G, Y609H, Y809P, Z809H, Z809K
  • Flanged Blade Spindle Nut - 5/8" Thread
  • Interchangeable with: 712-0417A, 712-0417, 7120417, 912-0417A, 9120417

Description

3 Pack- Aftermarket Spindle Blade Jackshaft Nuts Compatible with most Tractors Known as Flange Lock Nuts,Blade Lock Nuts, Hex Flange Nuts,Spindle Nuts,this nuts are used to secure a blade to the spindle.Can be used on Blade or Pulley Side. For Models: RZT50, RZT54, & RZT42 , 600 & 800 Series, & Many Others R809K, RZT42, RZT50, T609, T809H, U609H, V809H, X609G, Y609H, Y809P, Z809H, Z809K Flanged Blade Spindle Nut -5/8"-18 Thread Interchangeable with: 712-0417A, 712-0417, 7120417, 912-0417A, 91209

Material: Carbon Steel


Fastener Type: Flange


Thread Size: 5/8 inch


Exterior Finish: Brass


Color: golden-brown


Fastener Type: Flange


Thread Size: 5/8 inch


Exterior Finish: Brass


Color: golden-brown


Thread Type: Unified National Coarse


Inside Thread Size: 5/8 inch


Thread Style: Right Hand


Thread Coverage: Fully Threaded


Thread Class: Coarse


Screw Head Style: Flange


Compatible Groove Diameter: 0.63 inches


Drive Style: Spline


Grade Rating: commercial


Item Dimensions: 1.18 x 0.79 x 0.79 inches


Item Weight: 18 g


Size Name: 5/8" Thread, 0.625 inches


Item Diameter: 0.63 inches


Number of Pieces: 3


Outside Diameter: 0.63 inches


Brand: TITISKIN


Set Name: Spindle Blade Jackshaft Nut Set (3 Pack)


Item Highlight: Spindle Nut Fits MTD Troy Bilt Mower ,Replaces 912-0417A、712-0417A,5/8"-18 Thread


Manufacturer: yingbin


Number of Packs: 3


Unit Count: 3 Count


Number Of Items: 3


Material Type: Carbon Steel


Metal Type: Carbon Steel


Finish Types: Zinc-Plated


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Oct 19

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Small But Mighty — Essential Hardware for Smooth Mower Maintenance
This 3-pack of Spindle Blade Nuts is a must-have for Cub Cadet Zero Turn Mower owners, specifically models RZT 50, RZT 54, and RZT 42. Whether you're replacing worn-out hardware or doing a full blade swap, these nuts are designed to fit perfectly and hold strong under heavy-duty mowing conditions. Fit & Compatibility: Each nut is precision-threaded to match the spindle assembly of the specified Cub Cadet models. Installation is straightforward, and they lock securely without stripping or loosening during use. If you've ever dealt with blade vibration or uneven cuts, fresh spindle nuts like these can make a noticeable difference. Durability: Made from high-strength steel, these nuts are built to withstand the torque and stress of high-speed blade rotation. They resist rust and corrosion, which is crucial for outdoor equipment exposed to moisture and debris. Value & Convenience: The 3-pack gives you enough for a full mower refresh or to keep spares on hand. It’s a small investment that can prevent bigger issues down the line—like blade wobble or spindle damage. Final Verdict: If you own a Cub Cadet RZT series mower, this spindle blade nut set is a smart, reliable upgrade. It’s one of those behind-the-scenes parts that keeps your machine running safely and smoothly. ... show more
Reviewed in the United States on September 24, 2025 by Brittany Frisbie
    • Excellent fit for Cub Cadet ZT1-54 spindles
Excellent fit for Cub Cadet ZT1-54 spindles. Glad I had 'em - I cross-threaded the OEM nut and eventually stripped completely - without backups I would have been out of commission.
Reviewed in the United States on May 10, 2026 by C. Heartwell
    • Exact replacement nuts.
Very hard to find spindle/blade nuts!! These are an exact replacement for the Cub Cadet RZT 50 blade nuts. They absolutely saved the day for me.
Reviewed in the United States on June 17, 2026 by Ed Wisenbaker
    • Worked goods
Wish these would have come with the kit I bought.
Reviewed in the United States on October 28, 2025 by JulieMc
    • Good fit
Fit as should.
Reviewed in the United States on May 17, 2025 by Glenn Driver
    • Did the job
These fit perfectly on an LT1045. No complaints.
Reviewed in the United States on April 18, 2026 by TCWrn
    • Very durable and great price
Fitz cub cadet zr1 54 inch if you need the nuts to hold the blade on this is the ones you need fast shipping, heavy duty threads for holding blades on
Reviewed in the United States on September 14, 2025 by Michael Brooks
    • Dem Nuts!
Replacement fit for OEM without issue. You can also recycle your secure nuts from your blades where they attached to the spindles.
Reviewed in the United States on August 1, 2025 by Texas Bones

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