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How to replace the blade on a surform plane?

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Replace a surform blade when it becomes dull When the blade on your surform plane becomes dull, it will need replacing. A dull blade will not cut your workpiece effectively, and is more likely to scratch and tear the material.

The steps may be slightly different on various types of surform plane. This is becauseĀ each type has at least one screw which fastens the blade to the body and releases the blade when unscrewed, and as the screws can be positioned differently, the steps may vary.

Surform flat plane screw position A flat plane and a planer file both have a metal screw situated at the front of the tool, underneath the thumb grip. A screwdriver will likely be needed to undo this type of screw.
Block planes have a quick-release screw at the back A block plane type, on the other hand, has a large thumbscrew which is designed for quick-release. It is positioned at the back end of the tool, usually underneath the handle.
Release the blade from the body via the screw

Step 1 – Unscrew blade

To loosen the screw, simply rotate it in an anti-clockwise direction, using a screwdriver if needed. This will release the blade.

Remove the blade by un-clipping it from the body

Step 2 – Remove blade

Remove the blade from the rest of the tool by pulling it out of the body’s frame.

Donkee says 'Remember to dispose of your old blade safely'
Clip new blade onto surform body

Step 3 – Attach new blade

Attach the new blade to the body of the surform tool by clipping it into position. The blade will have a fastener on either end, with a hole in the middle for the screw end to fit through.

Teeth pointing away from the handle If you wish to use your surform file on a pull stroke you should attach the blade with the teeth pointing towards the handle, whereas if you wish to use it on a push stroke they should be pointing away from the handle.
Attach the new blade to the rest of the tool

Step 4 – Fasten blade

Install the screw back into the correct slot, ensuring the screw is inserted through the hole in the blade fastener. Tighten the screw by rotating it in a clockwise direction. This will fasten the new blade to the rest of the tool and keep it firmly in place.

The surform blade has been replaced The blade has now been successfully replaced and your surform tool is ready to be used.