013-5201-00 - Bad Boy Mower Parts
013-5300-00 - Bad Boy Mower Parts

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013-5201-00 – 3/8-16 Hex Flange Nuts Zinc w/ Serrations

Key Features of Bad Boy Mower 013-5201-00 – 3/8-16 Hex Flange Nuts Zinc w/ Serrations

  • OEM Quality Construction: Genuine Bad Boy replacement nuts designed to exact factory specifications for strength and durability.
  • 3/8-16 Thread Pattern: Coarse-thread design ensures strong engagement and dependable torque retention.
  • Serrated Flange Base: Built-in serrations grip the mating surface to resist loosening caused by vibration.
  • Integrated Washer Design: Flange distributes pressure evenly, eliminating the need for a separate washer.
  • Zinc-Plated Finish: Corrosion-resistant coating provides long-term protection against rust and oxidation.
  • Secure, Anti-Rotation Fit: Serrations lock in place to maintain consistent clamping force during operation.
  • Easy Installation: Direct OEM replacement ensures accurate fit and smooth threading for quick service.
  • See Models Used On below for more detail.

  • SKU:

    013-5201-00

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Bad Boy Mower 013-5201-00 – 3/8-16 Hex Flange Nuts Zinc w/ Serrations

The Bad Boy Mower 013-5201-00 – 3/8-16 Hex Flange Nuts Zinc w/ Serrations are genuine OEM replacement fasteners engineered for strength, security, and long-lasting performance. Designed to meet Bad Boy’s precise specifications, these nuts feature serrated flanges that bite into the mating surface to prevent loosening caused by vibration or torque.

Built with a 3/8-16 coarse thread pattern, each nut provides consistent thread engagement and dependable holding power across a variety of mower assemblies. The integrated flange distributes pressure evenly, reducing the need for separate washers and ensuring stable clamping under load.

The durable zinc-plated finish protects against corrosion, rust, and wear, making these nuts ideal for outdoor environments and high-vibration applications. The serrated underside enhances grip while maintaining a clean, flush installation, preventing rotation and hardware loosening during use.

Unlike generic hardware, the Bad Boy OEM 3/8-16 Hex Flange Nuts with Serrations guarantee exact fitment, proper torque retention, and factory-grade reliability. Whether you’re performing maintenance or replacing worn fasteners, these nuts help maintain the structural integrity and safety of your mower.

At BadBoyMowerParts.com, we carry a complete selection of OEM nuts, bolts, and washers designed specifically for Bad Boy Mowers. With free shipping on orders over $100, it’s easy to keep genuine fasteners like the 013-5201-00 on hand to ensure professional-grade performance and reliability.

Models Used On

(Click Link For Diagram)

2026

2025

2024

2023

2022

2021

2020

2019

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