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Miller 1/4-20 x 7/8 Hex Head Grade 8 Locking Screw

$4.37/EA $2.69/1 PER EA only $2.69/EASave 38%

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OVERVIEW

Reliable Repair Parts for Miller Welders

Keep your welding equipment running at peak performance with the Miller 268960 Screw. This 1/4-20 x 0.875 inch hex head screw is a critical replacement component found in various Miller welding machines. When performing maintenance or repairs, it is crucial to replace lost or damaged hardware with parts that match the original engineering standards. This screw is not just a generic bolt; it is a high-performance fastener selected by Miller engineers for specific load-bearing and vibration-prone applications within the welder.

Technical Specifications

The 268960 features a standard 1/4-20 UNC thread pitch and a length of 0.875 inches (7/8 inch). The hex head design allows for easy installation and removal using standard tools, ensuring you can apply the necessary torque without stripping the head. The "Grade 8" designation indicates a high-strength alloy steel construction, capable of withstanding greater forces than common hardware store bolts. This is particularly important for the longevity of your machine's frame and internal assemblies.

Secure Locking Technology

One of the standout features of this screw is the pre-applied locking patch. In the dynamic environment of a welding shop, equipment is constantly subjected to movement and vibration. Standard screws can loosen over time, leading to rattling panels or, worse, loose electrical connections. The locking patch on the Miller 268960 provides a prevailing torque that resists loosening, ensuring that once you tighten it, it stays tight. Trust in genuine Miller parts to maintain the safety and efficiency of your welding operations.

Additional Information
Brand:Miller
Packaging Description:pack of 1
Thread Size:1/4-20 UNC
Length:0.875 in
Head Type:Hex Head
Material Grade:Grade 8
Finish:Zinc Plated
Special Features:Locking Patch

INCLUDED

  • (1) Screw, 1/4-20 x 0.875 Hex Head Grade 8 Zinc with Locking Patch

APPLICATIONS

  • Securing chassis panels and covers on Miller welding power sources.
  • Fastening internal components such as fans, transformers, or circuit board mounts.
  • Replacing stripped, sheared, or lost hardware during machine maintenance.
  • Applications requiring high-strength Grade 8 fasteners with vibration resistance.
  • General repair of industrial equipment requiring 1/4-20 x 0.875 locking screws.

FAQ

The Miller 268960 has a thread size of 1/4-20 UNC (Coarse) and a length of 0.875 inches (7/8 inch).

Grade 8 refers to the strength of the steel. It is a high-strength alloy steel that has been heat-treated, offering superior tensile strength compared to standard Grade 5 bolts.

The locking patch is a pre-applied material on the threads that increases friction, preventing the screw from loosening due to the vibrations typical of welding machinery.

While possible in an emergency, it is not recommended. Standard bolts may not be Grade 8 or have the locking patch, leading to potential failure or loosening under vibration.

Yes, this is a genuine OEM Miller Electric replacement part, ensuring correct fitment and material specifications.

You will typically need a standard wrench or socket sized for a 1/4-inch bolt head (usually a 7/16-inch wrench size for 1/4-inch bolts, though check the specific head size).

No, this product is sold as the screw only. If your application requires a washer, it must be purchased separately or reused if in good condition.
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