Butt Mortise Plane Blade Lie-Nielsen Toolworks

Butt Mortise Plane Blade

1-BL-40B

$25.00



Butt Mortise Plane Blade

Replacement blade for our No. 40B Butt Mortise Plane. Comes with a 25° flat ground bevel.

  • .875" wide x .115" thick
  • A2 Tool Steel

Geometry:

The blade comes with a 25° flat ground bevel; it sits bevel down in the tool at 40°.

Blade Sharpening:

The blade comes ready to use, but honing a secondary bevel of 5° or 10° will increase performance, help achieve a razor edge quickly, and improve edge life in hardwoods. You can find sharpening instructions in a printable PDF format here:
Sharpening Instructions PDF

For more information on advanced sharpening we recommend David Charlesworth’s video Plane Sharpening, available in both DVD and streaming formats.

Materials:

Made from A2 Tool Steel, cryogenically treated, hardened to Rockwell 60-62 and double tempered. Our heat treating technique ensures that the blade will take and hold a very fine edge for a long time. After heat treating, the blade is fully surface ground on the top, back, and cutting edge, giving a smooth, flat surface that will take a mirror finish very quickly.

Maintenance:

Blades should be kept lightly oiled or waxed to prevent rust. We recommend Jojoba Oil, a plant based oil product that is non-toxic, odor-free and easy to use. Also, in our shop, we use a fine abrasive handblock to remove any light surface oxide from tool bodies and blades. Jojoba Oil and abrasive handblocks are available from us.

Find everything you need for tool care.