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270723 - Miller 270723 Replacement Screw 5/16-18 x 2.50 Button Head

Packaging: 1 PER EA
$6.09/EA $3.75/1 PER EA only $3.75/EASave 38%

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OVERVIEW

Genuine Miller OEM Hardware for Precision Maintenance

The Miller 270723 Screw is a specialized fastening component designed to meet the rigorous standards of Miller Electric welding equipment. Engineered with a .312-18 (5/16-18) thread pitch and a length of 2.50 inches, this screw features a button head socket design that is critical for specific assembly points within welding machines. The button head profile offers a wider bearing surface than standard cap screws while maintaining a lower profile, which is essential for internal clearances and external safety to prevent snagging on clothing or cables.

Manufactured from high-grade steel, this fastener provides the tensile strength necessary to secure heavy components and chassis panels against the vibration and mechanical shock often experienced during industrial operation. The steel is finished with a clear zinc plating. This plating process is not merely aesthetic; it provides a sacrificial barrier against oxidation and corrosion. In welding environments, where humidity, fumes, and temperature fluctuations are common, zinc plating significantly extends the service life of the hardware, ensuring that maintenance and disassembly remain straightforward without the complications of seized or rusted threads.

Using genuine OEM parts like the Miller 270723 ensures that the mechanical integrity of your equipment is maintained. Generic hardware often lacks the specific grade requirements or dimensional tolerances of OEM components. A screw that is slightly too long may interfere with internal electronics, while one with inadequate grade strength may shear under load. This screw utilizes a hex socket drive, allowing for precise torque application using standard hex keys, minimizing the risk of stripping the head during installation or removal. For maintenance professionals and equipment technicians, stocking genuine Miller hardware is a best practice that guarantees repairs are completed to factory specifications.

Whether replacing a lost fastener during a routine service or conducting a comprehensive rebuild of a Miller power source, this screw is the exact replacement required for the designated assembly points. Its specifications—5/16-18 thread, 2.5-inch length, and button head configuration—are verified to match the engineering drawings of the original equipment, ensuring a hassle-free installation and reliable performance.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Thread Size:5/16-18 (.312-18)
Length:2.5 in
Head Style:Button Head Socket
Material:Steel
Finish:Zinc Plated Clear
Drive Type:Hex Socket

INCLUDED

  • (1) Screw, .312-18 x 2.50 Button Head Socket

APPLICATIONS

  • Securing chassis panels on Miller welding power sources
  • Fastening internal components requiring low-profile heads
  • General repair of Miller industrial equipment
  • Replacement of stripped, lost, or corroded hardware
  • Vibration-resistant assembly for heavy machinery

FAQ

The thread size is .312-18, which corresponds to a standard 5/16-18 UNC coarse thread.

This screw features a socket drive, so you will need a hex key (Allen wrench) sized for a 5/16 button head screw.

Yes, this is a genuine Miller Electric OEM replacement part, ensuring exact fit and factory specifications.

The length of the screw is 2.50 inches, measured from under the head to the end of the threads.

It is manufactured from steel with a clear zinc plating for corrosion resistance.

It is not recommended. The button head design is likely chosen for clearance or safety reasons where a standard hex head might protrude too far.

No, this product is sold as the screw only. Washers and nuts must be purchased separately if needed.

Zinc plating provides a protective barrier against rust and oxidation, which is essential for longevity in industrial environments.