Miller

Miller 12-1402-04 Smith Little Torch Twin Flame Tip #4

4.7 (4 reviews)

Drop-in replacement Twin Flame Tip #4 for the Smith Little Torch — exact fit for precision micro-welding, jewelry repair, and fine metalwork.

$66.99*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Miller 12-1402-04 is a Twin Flame Tip #4 designed exclusively for the Smith Little Torch — one of the most widely used precision torches in jewelry, electronics, glasswork, and light metal fabrication. The twin-flame design separates this tip from standard single-orifice options: it produces two parallel flame jets that create a more symmetrical, stable heat envelope around the workpiece. That matters when you're soldering a prong setting or flowing solder into a plumbing joint where even heat distribution is the difference between a clean result and a ruined part.

Fitment is direct — this tip threads onto the Smith Little Torch body without adapters or modifications. Material quality is consistent with OEM standards, and the precision-machined orifice maintains flame geometry across extended use. The tip's compatibility with multiple fuel types (acetylene, propane, natural gas, hydrogen) means it integrates into whatever regulated fuel setup you're already running. For anyone who has burned through a generic replacement and dealt with inconsistent flame or poor orifice tolerances, this tip is worth the price premium for the reliability it delivers over the long haul.

Specifications

Brand
Miller
Model
12-1402-04
Type
Twin Flame Tip #4
Compatible Torch
Smith Little Torch
Applications
Jewelry Repair, Hobby & Crafts, Metal & Sculpture, Glass Blowing, Plumbing, Electronics & Repair
Fuel Compatibility
Acetylene, Propane, Natural Gas, Hydrogen

Pros & Cons

👍 Pros

  • Direct OEM-compatible fit for Smith Little Torch — no adapter or modification needed
  • Twin-flame design delivers a stable, symmetrical heat pattern that single-orifice tips can't match for fine work
  • Compatible with multiple fuel gases, so it works with your existing regulator setup
  • Precision-machined orifice ensures consistent flame output across sessions
  • Compact form factor doesn't add bulk or weight to the torch handle

👎 Cons

  • Smith Little Torch exclusive — useless if you own any other torch brand
  • Tip #4 is a mid-range size; very fine micro-soldering may require stepping down to a smaller tip number
  • No tip-selection guide or installation instructions included in the package
  • First-light flame stability may require a brief burn-in period before settling

Frequently Asked Questions

This tip is purpose-built for the Smith Little Torch only. It will not cross-fit other torch brands or generic hobby torch handles — confirm you have a Smith Little Torch before ordering.
Tip #4 is a mid-range twin-flame size suited for light soldering, jewelry repair, small plumbing joints, and electronics work. For very fine filigree or micro-scale work, a smaller tip number gives you a tighter flame; for heavier metalwork, step up to a larger tip.
The Smith Little Torch system is compatible with multiple fuel gases including acetylene, propane, natural gas, and hydrogen — but always verify your regulator and hose setup matches the fuel. The tip itself doesn't lock you into one fuel type.
Tip swaps on the Smith Little Torch are straightforward — hand-thread onto the torch body, snug it with a wrench if needed, and verify no leaks before lighting. No special tools required beyond basic shop safety (leak-check solution recommended).
New tips can occasionally run slightly rich or lean on the first few lights as manufacturing residues burn off. Run a few short test cycles at low pressure before committing to a precision job — flame should stabilize quickly.