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Miller .312-18 x 1.000 Plated Steel Carriage Bolt

$146.36/EA $102.22/1 PER EA only $102.22/EASave 30%

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OVERVIEW

Keep Your Miller Welder Running Like New

When you are in the middle of a project, the last thing you want to worry about is a loose panel or a missing bolt on your trusty Miller welder. The Miller 245188 Carriage Bolt is the authentic replacement part you need to secure your machine's chassis and components properly. While it might be tempting to grab a generic bolt from the hardware store, this genuine Miller part is designed specifically for the metal gauge and hole dimensions of your equipment, ensuring a hassle-free installation and a tight, secure fit.

This bolt features a standard 5/16-18 thread (listed as .312-18) and is 1 inch long, a common size used across various Miller machines for securing panels, handles, and internal components. The "carriage" style head is smooth and rounded on top for a snag-free finish, which is great for keeping your workspace safe and your machine looking professional. Underneath the head, a square neck locks into the metal frame, so you only need a wrench for the nut—no need to fumble with two tools at once. This design is smart, efficient, and exactly what came on your machine from the factory.

Durability is key in a welding shop. That is why this bolt is made from strong steel and finished with a protective plating. This plating acts as a shield against rust and corrosion, keeping the bolt from seizing up over time or weakening due to exposure to shop elements. Whether you are restoring an older machine or just replacing a bolt that went missing during a move, sticking with genuine Miller parts like the 245188 ensures your welder stays solid, safe, and ready to burn wire. Don't compromise on the small stuff; keep your rig 100% Miller.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Thread Size:5/16-18, .312-18
Length:1 in
Material:Steel
Finish:Plated
Head Type:Carriage
Product Type:Replacement Hardware

INCLUDED

  • (1) Carriage Bolt, Steel .312-18 x 1.000 Plated

APPLICATIONS

  • Securing chassis panels on Miller welding power sources
  • Mounting components on wire feeders
  • Assembly of running gear and cylinder carts
  • General repair of Miller industrial equipment requiring 5/16-18 carriage bolts
  • Replacement of corroded or stripped factory hardware

FAQ

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

The bolt has a length of 1.000 inch.

Yes, this is a genuine OEM Miller replacement part, ensuring proper fit and material quality.

No, this product is typically sold as the bolt only. Compatible 5/16-18 nuts would need to be purchased separately if required.

PLD stands for 'Plated,' indicating the steel bolt has a protective coating (usually zinc) to resist rust and corrosion.

You should check your machine's parts manual for the specific part number 245188 or verify using your serial number on the Miller website.

A carriage bolt has a square neck under the rounded head that fits into a square hole, preventing the bolt from turning while the nut is tightened.

It is made of steel with a plated finish.
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