Home Shop Stainless Steel Hex Washer Head Screw High-Low Thread – Pack of 4
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287415 - Stainless Steel Hex Washer Head Screw High-Low Thread - Pack of 4

Packaging: 4 per ea
$9.22/ea

Package Price:

$37.12/4 per ea

Usually ships within 3-5 business days

SKU: MIL287415 Categories: ,

OVERVIEW

Technical Overview of the Miller 287415 Replacement Screw

The Miller 287415 is a specialized replacement screw designed to meet the rigorous engineering standards of Miller Electric welding equipment. This hardware component is critical for maintaining the structural assembly of various power sources and wire feeders. The screw features a Hex Washer Head (Hexwhd) design, which integrates a washer at the base of the hex head. This design increases the bearing surface area, allowing for greater torque application without damaging the mating surface, and eliminates the need for a separate washer during assembly.

Constructed from high-grade Stainless Steel (SS), this fastener offers excellent resistance to oxidation and corrosion. This is particularly important in industrial welding environments where equipment is often exposed to humidity, fumes, and temperature fluctuations. The use of stainless steel ensures that the fastener will not seize due to rust, facilitating easier maintenance and disassembly in the future.

A defining feature of this screw is its High-Low thread profile. High-Low screws utilize a double-lead thread design where one thread is high and the other is low. This configuration is specifically engineered for use in plastics, nylon, or wood composites often found in modern machine chassis and internal component mounts. The high thread provides a greater thread engagement area to increase pull-out strength and stripping torque, while the low thread provides stability and minimizes the driving torque required. This design significantly reduces the risk of cracking plastic bosses or stripping the material during installation.

Specifications:

  • Diameter: .250 inches (1/4")
  • Length: .750 inches (3/4")
  • Drive Type: Hex
  • Packaging: Sold as a package of 4 units.

Using genuine OEM hardware like the Miller 287415 ensures that the thread pitch and diameter match the receiving holes perfectly, preserving the integrity of the machine's casing and internal mounts.

Additional Information
Packaging Description:4 PER EA, 4-per-ea
Brand:Miller
Material:Stainless Steel
Head Style:Hex Washer Head
Thread Type:High-Low
Dimensions:.250 x .750
Product Type:Replacement Screw

INCLUDED

  • 4 x Hex Washer Head Screws (.250 x .750)

APPLICATIONS

  • Securing external panels on Miller welding power sources
  • Fastening internal components to plastic or composite bosses
  • Replacing stripped, lost, or corroded chassis screws
  • General maintenance and repair of Miller wire feeders
  • Restoring older welding machines to factory specifications

FAQ

The screw has a .250 (1/4 inch) diameter and is .750 (3/4 inch) long.

This item is sold as a package of 4 screws.

You will need a hex driver or socket wrench sized for the hex head (typically 1/4" or 5/16" depending on the specific head standard, but likely 1/4" drive for this size screw).

A High-Low thread is a double-lead thread design with alternating high and low threads, optimized for gripping into plastics and composites without cracking the material.

Yes, it is made of stainless steel, which offers excellent corrosion resistance compared to standard zinc-plated steel.

While it can be used, the High-Low thread is specifically designed for softer materials like plastics. Check your machine's manual to ensure this is the correct part number for the specific location.

This screw fits many Miller models, but fitment depends on the specific assembly. Please verify the part number 287415 in your machine's parts manual.

It stands for Hex Washer Head, meaning the screw head is hexagonal with a built-in washer base.

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