SC12-3 - Smith SC12 Series Heavy-Duty Acetylene Cutting Tip, Size 3

Premium Heavy-Duty Acetylene Cutting Performance

The Smith SC12-3 Acetylene Cutting Tip is a high-performance consumable designed for professional fabricators and industrial environments. Engineered by Smith Equipment (now under the Miller Electric umbrella), this Size 3 tip is part of the renowned SC12 Series, known for its durability and precision in heavy-duty applications. Capable of cutting steel thicknesses up to 2 inches (51 mm), it is an essential component for structural steel work, demolition, and general fabrication where acetylene is the fuel gas of choice.

Advanced Safety and Design

One of the standout features of the SC12-3 is its In-Tip Gas Mixing technology. Unlike standard torches that mix gases in the handle or tube, this tip mixes oxygen and acetylene within the tip itself. This design adds a critical layer of safety by isolating the mixed gas volume to the tip, significantly reducing the risk of flashback and protecting both the operator and the torch equipment. The tip also features a concave end which helps protect the orifice from damage if the torch is accidentally tapped against the work surface, further resisting flameout and backfire.

Precision Construction

Manufactured from high-quality copper, the SC12-3 utilizes a fully swaged manufacturing process. This results in mirror-smooth internal gas passages that minimize turbulence. The result is a stable, laminar preheat flame and a cutting stream that starts fast and leaves minimal slag. The slip-in design features a recessed, heat-resistant seat that allows for hand-tightening, ensuring a perfect seal without the need for wrenches that can damage the torch head. This tip is compatible with all Smith SC and DG series hand torches, as well as SC770 and SC772A machine torches.