Lawn mower blades are also made of a fairly soft steel, so you don’t want to overheat and ruin the blade with a grinder either.Hand File When sharpening with a file, you will want to clamp the blade in a vise and sharpen the cutting edge with the file. Sharpen from the top side ...
For more on sharpening tools, click through the links below! How to Sharpen Your Lawn Mower Blades on Your Own to Save Time And Money: Pro Landscapers Weigh In How to Sharpen Scissors So They’re as Good as New — Genius Hacks Make It Easy...