Stanley Hand Tools Plane Iron - 2in - No.4

The Stanley No.4 Plane Iron is a high-quality replacement blade designed for precision woodworking...

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OnBuy.comStanley Hand Tools Single Plane Iron 2In 5063750463612
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B&Q - Stanley Hand Tools Single Plane Iron 2In Multi Colour (One Size)
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Product Information

Full details

The Stanley No.4 Plane Iron is a precision-engineered replacement blade designed for professional woodworkers and hobbyists who demand consistency and durability. Crafted from high-grade chrome carbon steel, this 50mm (2in) blade provides exceptional edge retention and is factory-ground for a flat, uniform surface that streamlines the honing process. While it serves as an excellent upgrade for compatible Stanley models, users should note that initial stropping and final honing are required to achieve the specific sharpness levels needed for fine finish work.

All features

Model Part Number4
BrandStanley

Extended Product Information

FAQs

Is this blade compatible with antique Stanley No.4 planes?

This blade is designed for specific modern Stanley models; please verify your plane's model number against 112004, 112005, 112204, or 112205.

Do I need to sharpen the blade before using it?

Yes, while factory-ground, final honing is recommended to achieve a razor-sharp edge suited to your specific woodworking needs.

What is the material composition?

The blade is manufactured from chrome carbon steel, chosen for its balance of hardness and ease of sharpening.

Can this be used on a No.5 Jack Plane?

This iron is specifically engineered for the 2-inch width of the No.4 series; it may not fit planes requiring different widths or thicknesses.

How often should I oil the blade?

Apply a light coat of oil after each use to prevent rust, particularly if the shop is not climate-controlled.

Troubleshooting

Blade chatter during planing

Check the tightness of the lever cap and ensure the frog is seated securely against the plane bed.

Difficulty achieving a sharp edge

Ensure the primary bevel is flattened on a coarse stone before progressing to finer grits; do not attempt to sharpen a dull edge using only a strop.

Surface rust appearing on the blade

Use a fine abrasive pad to remove surface oxidation and apply a protective layer of machine oil immediately after.

Pros and Cons

Pros

  • Durable chrome carbon steel retains edge sharpness longer than entry-level alternatives
  • Precision-ground surface makes flattening and sharpening significantly faster
  • Exact fit for standard 2-inch Stanley bench planes
  • High-quality metallurgy supports a mirror-polished edge

Cons

  • Requires final honing/stropping before use
  • Limited compatibility with non-Stanley plane geometries
  • Must be kept oiled to prevent surface oxidation

Setup, Compatibility & Care

To install the blade, first ensure the plane's cap iron and frog are free of debris. Slide the new iron onto the adjustment assembly, aligning it with the plane mouth. Before tightening the lever cap, check that the lateral adjustment lever can move freely to center the blade.

Compatibility

  • Stanley Model 112004
  • Stanley Model 112005
  • Stanley Model 112204
  • Stanley Model 112205

Maintenance

  • Corrosion Prevention: Wipe the blade with a light machine oil or camellia oil after every use, especially in humid workshop environments.
  • Sharpening Schedule: Re-hone the primary bevel after prolonged use on dense hardwoods to maintain cutting efficiency.
  • Storage: Store the plane on its side or in a rack to protect the cutting edge from coming into contact with hard surfaces.

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