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Miller 1/4-20 x 3/4 Grade 5 Carriage Bolt (Pack of 10)

$3.47/ea $24.40/10 per ea only $2.44/eaSave 30%

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OVERVIEW

Keep Your Miller Machine Running Tight

When you are out in the shop or on a job site, the last thing you want is a loose panel or a rattling bracket on your welder. The Miller 217283 Carriage Bolt kit is exactly what you need to secure your equipment and keep it in factory condition. This pack contains ten (10) heavy-duty carriage bolts, sized 1/4-20 by 3/4 inch long. These aren't just any hardware store bolts; they are Grade 5 steel fasteners chosen by Miller for their durability and strength. Whether you are replacing a lost bolt after a repair or swapping out rusted hardware during a restoration, these bolts ensure a perfect fit.

Carriage bolts are great because they have that smooth, rounded head that doesn't catch on your welding leads or scratch your arms when you brush past the machine. The square neck under the head drops right into the square slots on your welder's case, holding the bolt still so you can tighten the nut with just one wrench. It makes assembly a one-man job, which is a huge plus when you are working alone. The Grade 5 rating means you can torque them down with confidence, knowing they won't snap or strip easily like cheaper bolts might.

Welding machines vibrate, and over time, hardware can back out and get lost. Having a pack of these Miller 217283 bolts in your toolbox means you are always ready to fix those annoying rattles before they turn into bigger problems. The plated finish keeps them looking clean and stops rust from forming, which helps maintain the resale value and professional appearance of your rig. Don't rely on mismatched, rusty bolts from the bottom of a coffee can—stick with genuine Miller parts to ensure your machine stays solid, safe, and ready to burn wire.

Additional Information
Brand:Miller
Packaging Description:10 PER EA
Thread Size:1/4-20
Length:0.75 in
Material:Steel
Grade:Grade 5
Finish:Plated
Head Style:Carriage

INCLUDED

  • (10) Miller 1/4-20 x 0.750 Grade 5 Carriage Bolts

APPLICATIONS

  • Securing external chassis panels on Miller welding power sources
  • Mounting internal brackets and components
  • Replacing lost or damaged hardware during maintenance
  • General repair of industrial equipment requiring 1/4-20 carriage bolts
  • Structural assembly where a smooth, snag-free head is required

FAQ

These bolts have a 1/4-20 UNC thread pitch.

The Miller 217283 comes as a package of 10 bolts.

The length of the bolt is 0.750 inches, or 3/4 of an inch.

These are Grade 5 steel bolts, offering higher tensile strength than standard Grade 2 hardware.

Yes, they are plated (typically zinc) to provide corrosion resistance.

Carriage bolts have a smooth, domed head and a square neck that locks into a slot, preventing rotation during tightening. They are often used for security and safety to avoid snagging.

This is a standard hardware part used across many Miller models. Please check your machine's parts manual or serial number to verify the specific part number required.

Yes, the plated finish offers protection against the elements, making them suitable for outdoor use on portable welding equipment.