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Miller Smith MC40-4 Propane Cutting Tip, Size 4, 2-Piece

$45.59/ea $29.43/1 per ea only $29.43/eaSave 35%

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OVERVIEW

Precision Cutting with Miller Smith MC40-4

Upgrade your cutting game with the Miller Smith MC40-4 Propane Cutting Tip, a premium consumable designed for welders who demand reliability and performance. Whether you are working in a fabrication shop, on a construction site, or in a home garage, this tip delivers the clean, consistent cuts you expect from the Miller and Smith brands. Optimized specifically for propane and natural gas, it allows you to take advantage of these cost-effective fuel gases without sacrificing cut quality.

The MC40-4 is a Size 4 tip, offering a robust cutting capacity that handles steel up to 4 inches thick. This makes it a versatile addition to your torch kit, capable of tackling everything from structural beams to heavy machinery parts. The secret to its performance lies in its two-piece design. Unlike standard acetylene tips, the MC40-4 features a separate inner and outer section that creates a stable anchor for the propane flame. This results in a smooth, hot preheat that starts cuts quickly and maintains a steady burn throughout the job.

Why Choose the MC40-4?

  • Cost Efficiency: Designed for propane, a cheaper and cleaner-burning alternative to acetylene.
  • Versatility: With a 4-inch cutting capacity, it serves as a heavy-hitter for general purpose applications.
  • Durability: Built with high-quality copper and brass to withstand the heat and abuse of daily industrial use.
  • Easy Maintenance: The two-piece construction allows for easy cleaning, ensuring your tip lasts longer and performs better.

This tip is a direct replacement for use with Smith cutting attachments such as the MC505, MC509, and AC309. Don't settle for generic knock-offs that sputter and pop. Invest in genuine Miller Smith consumables to ensure safety, precision, and efficiency in every cut. Whether you are scrapping metal or fabricating custom parts, the MC40-4 provides the control and power you need to get the job done right.

Additional Information
Brand:Smith Equipment
Fuel Gas:Propane
Item:Cutting Tip
Cutting Capacity:4"
Packaging Description:1-per-each
Tip Size:4
Drill Size:68
Design Type:2-Piece Medium Preheat
Compatible Attachments:MC505, MC509, CC509P, AC309, DG109A
Series:MC40

INCLUDED

  • 1x Miller Smith MC40-4 Propane Cutting Tip (Size 4)

APPLICATIONS

  • General purpose steel cutting
  • Structural steel fabrication
  • Scrap metal processing
  • Heavy equipment repair
  • Industrial maintenance and repair (MRO)
  • Farm and ranch welding applications

FAQ

The MC40-4 is designed exclusively for use with Propane or Natural Gas. It should not be used with Acetylene.

This Size 4 tip has a cutting capacity of up to 4 inches (102mm) of steel.

The cutting oxygen orifice has a drill size of #68.

Two-piece tips are required for propane to create a recess that anchors the flame, preventing it from blowing off due to propane's lower burning velocity compared to acetylene.

It fits Smith Equipment attachments including MC505, MC509, CC509P, AC309, and DG109A.

No, the MC40-4 is designed for Smith style torches and will not seat correctly in Victor or Harris style equipment.

You can separate the outer shell from the inner member to clean the splines. Use a specialized tip cleaner wire for the orifices, being careful not to enlarge them.

Yes, this is a genuine Miller Smith product, ensuring high quality and proper fitment.

CATALOGUE & SPEC SHEETS

Spec Sheet
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