018-1090-00 - Bad Boy Mower Parts
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018-1090-00 – 1/2-13×5 1/2 Hex Bolt Grade 5

Key Features of Bad Boy Mower 018-1090-00 – 1/2-13 x 5-1/2 Hex Bolt Grade 5

  • OEM Quality Construction: Genuine Bad Boy Grade 5 bolt built to factory specifications for superior strength and reliability.
  • 1/2-13 Thread Pattern: Coarse threading provides consistent torque retention and secure fastening.
  • 5-1/2 Inch Length: Ideal for deep fastening and structural connection points on mower assemblies.
  • Grade 5 Strength: Hardened steel construction delivers dependable performance under heavy loads.
  • Zinc-Plated Finish: Corrosion-resistant coating offers protection against rust, oxidation, and outdoor exposure.
  • Hex Head Design: Allows for precise tightening and easy installation with standard hand tools.
  • Direct OEM Replacement: Perfect fit and performance for Bad Boy Mowers requiring high-strength mounting hardware.
  • See Models Used On below for more detail.

  • SKU:

    018-1090-00

$3.29
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Bad Boy Mower 018-1090-00 – 1/2-13 x 5-1/2 Hex Bolt Grade 5

The Bad Boy Mower 018-1090-00 – 1/2-13 x 5-1/2 Hex Bolt Grade 5 is a genuine OEM replacement fastener engineered to deliver reliable clamping strength and long-lasting durability for a wide range of Bad Boy mower assemblies. Built to precise factory standards, this Grade 5 hex bolt ensures secure fastening in high-stress structural and engine applications.

Featuring a 1/2-inch diameter, 13 threads per inch, and a 5-1/2 inch length, this bolt provides exceptional holding power for heavy-duty mounting points. The hex head design allows for easy tightening and torque application using standard tools while maintaining consistent thread engagement and stability under load.

Constructed from Grade 5 hardened steel with a durable zinc-plated finish, the 018-1090-00 offers outstanding resistance to corrosion, vibration, and environmental wear. It’s designed to maintain torque and prevent loosening even during extended use in demanding outdoor conditions.

This OEM hex bolt provides the perfect fit and material quality expected from Bad Boy factory hardware. Unlike generic substitutes, the Bad Boy OEM 1/2-13 x 5-1/2 Hex Bolt guarantees accurate dimensions, dependable performance, and compatibility with OEM assemblies for safe, lasting repairs and maintenance.

At BadBoyMowerParts.com, we carry the complete range of OEM bolts, nuts, and fasteners engineered for Bad Boy Mowers. With free shipping on orders over $100, stocking genuine parts like the 018-1090-00 ensures your mower remains structurally secure and ready for heavy-duty performance season after season.

Models Used On

(Click Link For Diagram)

2026

2025

2024

2023

2020

2019

2018

2017

2016

2015

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2012

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2010