How to replace the blade on a surform plane?

6th March 2020

How to replace the blade on a surform plane?


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		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 because 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.

		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.

		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.

		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.

		Step 2 – Remove blade Remove the blade from the rest of the tool by pulling it out of the body’s frame.


		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.

		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.

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