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089800 - Miller 1/4-20 Flange Lock Nut Replacement

Packaging: 1 PER EA
$2.82/EA $1.99/1 PER EA only $1.99/EASave 29%

Usually ships within 3-5 business days

OVERVIEW

Secure Your Equipment with Genuine Miller Hardware

When repairing or maintaining your Miller welding machine, every bolt and nut matters. The Miller 089800 Nut is a genuine replacement part designed to keep your equipment running smoothly and safely. Often, generic hardware from the local hardware store doesn't match the specific grade or design requirements of industrial machinery. This specific nut is a 1/4-20 Flange Lock Nut, essential for areas in your machine subject to vibration.

Why Use a Deformed Lock Nut?

Welding machines, especially engine drives and heavy industrial units, generate significant vibration. Standard nuts can easily loosen over time, leading to rattling panels, loose electrical connections, or internal damage. The Miller 089800 features a "deformed thread" design. This means the top threads are engineered to grip the bolt tightly, creating a locking action that resists loosening without the need for chemical thread lockers or lock washers.

Integrated Flange Convenience

This nut also features a built-in flange (the wide base). This design eliminates the need for a separate flat washer, making installation faster and easier, especially in tight spaces inside the machine chassis. The flange spreads the pressure of the nut, protecting the painted surfaces or sheet metal of your welder from digging or scratching.

Ensure your repairs last by using the correct hardware specified by the manufacturer. Whether you are replacing a panel, securing a component, or performing a complete overhaul, the Miller 089800 provides the fit and security your professional equipment demands.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Thread Size:1/4-20 UNC
Material:Steel
Finish:Plated
Nut Type:Flange Deformed Lock Nut
Hex Size:0.44 inch (approx 7/16 inch)
Flange Diameter:0.58 inch

INCLUDED

  • (1) 1/4-20 Flange Deformed Lock Nut

APPLICATIONS

  • Securing internal components in Miller welding power sources
  • Fastening sheet metal panels and chassis parts
  • High-vibration assemblies requiring locking fasteners
  • General repair and maintenance of Miller industrial equipment
  • Electrical connection points requiring secure clamping

FAQ

The thread size is .250-20, commonly known as 1/4-20 UNC.

No, this is a flange nut, which has an integrated wide base that acts like a washer to distribute pressure.

The hex size is .44 inches, so a standard 7/16-inch wrench or socket is typically the correct tool.

Yes, the description 'Defor' stands for Deformed, indicating it is a prevailing torque lock nut designed to resist vibration.

It is made of steel with a plated finish (Stl Pld) for corrosion resistance.

Yes, as long as the bolt is a standard 1/4-20 thread, this nut will fit. However, it is designed specifically for Miller equipment applications.

The flange diameter is approximately 0.58 inches.

Welding machines often vibrate during operation. Locking nuts prevent hardware from backing off and causing loose connections or rattling parts.