What is this half-round Surform replacement blade used for?

This half-round blade is designed for fast stock removal and shaping curved surfaces, contours, and holes.

Which materials can you work on with this blade?

You can use it on wood, plastics, plaster, and soft metals such as aluminium and copper.

Which Stanley tools are compatible with the 5-21-299 blade?

It fits all standard 250 mm Stanley Surform frames, including models 21-122, 21-295, 21-296, and 21-103.

What are the dimensions of this replacement blade?

The blade has a length of 250 mm and a width of 39 mm.

STANLEY 5-21-299 Surform spare blade semi-circular 255mm x 39mm

Name: STANLEY 5-21-299 Surform spare blade semi-circular 255mm x 39mm
Brand: STANLEY
SKU: 41946948
Price: 7.1 EUR
Availability: InStock

Supplier number: STANLEY 5-21-299 | EAN 3253565212990

7.10 tax incl.

€5.87 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 03/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

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Accurate shaping on curved surfaces

Practical benefits

Stanley blade for contours: The half-round profile lets you shape concave and convex surfaces with complete control.
Rapid and smooth material removal: Precision-formed cutting teeth ensure you clear waste material quickly without clogging.
Versatile multi-material compatibility: You can easily fit this replacement blade into compatible 250MM frames for wood, plastic, and soft metals.

In a nutshell

The right choise for

Shape and smooth curved surfaces with complete control using the Stanley 5-21-299 Surform half-round replacement blade. Its half-round profile lets you work concave and convex shapes, contours, and holes that flat blades cannot reach. The sharp, perforated cutting design ensures rapid stock removal without clogging from shavings. Measuring 250 mm in length and 39 mm in width, it fits directly into compatible 250 mm Stanley Surform frames to plane wood, plastic, plaster, and soft metals such as aluminium. This replacement instantly restores the original cutting efficiency of your shaping tool.

Product information FAQ

€7.10

In stock - tax incl.

Key features according to our expert

Length: 250 mm
Width: 39 mm

Product description

Surform Spare Blade Hemispherical 255mm x 39mm

Features

For quick removal of pieces and modelling of curved surfaces
For all 250mm frames
Suitable for types 21-295, 21-296, 21-122 and 21-103

All Features

Length: 250 mm
Width: 39 mm
Packaging width: 6,50 cm
Packaging height: 34,40 cm
Packaging weight: 44,00 g
Outer box quantity: 36
Packaging depth: 1,00 cm
Carded: X
Abcn: A
Inner box quantity: 12

Brand STANLEY
41946948
EAN 3253565212990
Supplier number STANLEY 5-21-299

Frequently asked questions about this product

Answered by specialists

What is this half-round Surform replacement blade used for?: This half-round blade is designed for fast stock removal and shaping curved surfaces, contours, and holes.
Which materials can you work on with this blade?: You can use it on wood, plastics, plaster, and soft metals such as aluminium and copper.
Which Stanley tools are compatible with the 5-21-299 blade?: It fits all standard 250 mm Stanley Surform frames, including models 21-122, 21-295, 21-296, and 21-103.
What are the dimensions of this replacement blade?: The blade has a length of 250 mm and a width of 39 mm.