Replacement blade for our No. 100-1/2 Convex Sole Block Plane. Comes ground with a 7/8" radius.
The blade comes with a 25° flat ground bevel; it sits in the tool at 20°, making the included cutting angle 45°.
The blade comes ready to use. Additional honing will improve performance.For Honing:
One method is to plane a groove in softwood with the blade set for a coarse cut. Charge the resulting groove with honing compound and hone the blade by pulling backwards through the groove.
Another method is to shape a groove in a spare or broken waterstone with a ⅞" dowel wrapped with coarse (60-100 grit) sandpaper. Hone the blade by pulling through the groove.For Grinding:
Re-grind as necessary, following the original bevel angle and radius as closely as possible. Marking the bevel with a felt marker will help you see what you are doing.
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.
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.