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Miller .250-20 x 0.75 Socket Head Cap Screw with Locking Patch

$4.00/EA $2.82/1 PER EA only $2.82/EASave 29%

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OVERVIEW

Secure Your Welder Repair with Grade 8 Strength

When you are deep into repairing your Miller welder, the last thing you want to worry about is whether the bolts you are putting back in will hold up. The Miller 254945 Screw is a specialized replacement part designed specifically to keep your machine running smoothly. This isn't just a hardware store bolt; it is a Grade 8 socket head cap screw engineered to handle the tough environment of a welding shop.

Welding machines, especially those with heavy transformers or active cooling systems, produce a constant hum and vibration. This vibration is the enemy of standard fasteners. That is why the Miller 254945 comes equipped with a specialized locking patch on the threads. This patch acts as a built-in wedge, creating friction that prevents the screw from vibrating loose over time. This means once you tighten it down, it stays put, protecting your machine's internal components from rattling loose and causing damage.

The screw features a standard 1/4-20 thread pitch and is 3/4 of an inch long, a common size for many chassis and component mounting points within Miller power sources. The socket head design allows you to use a hex key (Allen wrench) to apply significant torque, ensuring a tight fit even in cramped spaces where a standard wrench might not fit. The Grade 8 steel construction offers superior hardness and strength compared to standard bolts, ensuring that the head won't strip out easily and the shank won't shear under load.

Using genuine Miller parts like the 254945 ensures that your warranty remains intact and your machine operates as intended. Don't risk a breakdown in the middle of a job because of a loose bolt. Keep your equipment tight, secure, and ready to weld with the correct OEM hardware. Whether you are replacing a lost screw or performing a complete overhaul, this part provides the professional-grade reliability professional welders expect from the Miller brand.

Additional Information
Brand:Miller
Packaging Description:1-per-ea
Thread Size:1/4-20, .250-20
Length:0.75 in
Head Style:Socket Head, Hex Drive
Material Grade:Grade 8
Features:Locking Patch

INCLUDED

  • 1 x Screw, .250-20 x 0.75 Socket Head with Locking Patch

APPLICATIONS

  • Securing internal components in Miller welding power sources.
  • Replacement of lost or stripped chassis screws.
  • High-vibration assembly points requiring thread locking.
  • General industrial repair requiring Grade 8 1/4-20 hardware.

FAQ

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

The screw has a length of 0.75 inches (3/4").

It typically does not require a lock washer due to the integrated locking patch, but check your specific machine manual for assembly diagrams.

You will need a hex key (Allen wrench) sized for a standard 1/4" socket head cap screw.

This is a Grade 8 steel screw, offering high tensile strength.

Yes, this is a genuine Miller Electric OEM replacement part.

The locking patch provides resistance against vibration to prevent the screw from backing out over time.
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