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602178 - Miller 1/4-20 x 0.37 Knurled Cup Point Set Screw

Packaging: 1 PER EA
$11.45/EA $8.06/1 PER EA only $8.06/EASave 30%

Usually ships within 3-5 business days

OVERVIEW

Miller 602178 Replacement Set Screw Details

Keep your Miller welding equipment operating at peak performance with the Miller 602178 Set Screw. This genuine replacement part is engineered to the exact standards of your original machine, ensuring a hassle-free installation and reliable long-term performance. In the world of welding repair, small components often play a massive role in the overall functionality of the unit. A missing or loose set screw can cause control knobs to slip, drive rolls to malfunction, or internal components to rattle loose, leading to inconsistent arcs or wire feeding issues. This 1/4-20 x 0.37-inch screw is the exact match for the original hardware found in various Miller power sources and accessories.

Why Choose OEM Hardware?

The Miller 602178 is not just a standard screw; it features a knurled cup point designed for high-vibration environments. Welding shops are tough on equipment, and the internal components of your welder must withstand constant use. The knurled point on this set screw acts as a built-in locking mechanism. As you tighten the screw using a hex key, the knurled edge digs slightly into the shaft it is securing. This mechanical interference prevents the screw from loosening over time, a common problem with standard flat or cup point screws. This attention to detail in the engineering phase helps prevent unexpected breakdowns in the middle of a job.

Installation and Specifications

This screw is crafted from robust steel with a plain finish, offering the tensile strength needed for secure fastening. It utilizes a standard hex socket drive, making it easy to install with a common set of hex wrenches found in any welder's toolbox. Whether you are performing routine maintenance or a specific repair on a wire feeder assembly, having the correct hardware on hand is essential. We recommend checking your machine's parts manual to verify the location and quantity required, as set screws are often used in pairs on drive assemblies. Trust in genuine Miller parts to maintain the value and reliability of your welding investment.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Thread Size:1/4-20
Length:0.37 in
Drive Type:Hex Socket
Point Type:Knurled Cup Point
Material:Steel
Finish:Plain

INCLUDED

  • 1 x Set Screw (1/4-20 x 0.37)

APPLICATIONS

  • Securing drive rolls and gears in wire feed assemblies
  • Locking control knobs to potentiometer shafts
  • General internal machine component fastening
  • Vibration-resistant fixing for rotating assemblies
  • Miller welding power source repair and maintenance

FAQ

The thread size is 1/4-20 UNC.

The screw is 0.37 inches (3/8 inch) long.

It uses a standard internal hex socket drive, requiring an Allen wrench/hex key.

A knurled cup point has serrations on the tip that bite into the shaft to prevent loosening from vibration.

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

It is made of steel with a plain finish.

While possible, it is not recommended. This OEM screw has a specific knurled point for vibration resistance that standard screws may lack.

This item is sold individually (1 per package).
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