What is the hardness rating on the 11-114, 11-113, and 11-921 knife blades? Support February 01, 2021 20:42 Updated Follow These blades meet the following specifications: Rockwell 30N scale 77.5 - 79 Hardness Rating Related articles What is the Rockwell hardness on the STANLEY Sweetheart line of chisels? 10-109 6" Multi-Purpose Slimknife® Retractable Knife What is the Rockwell Hardness on the Stanley wood chisels? What kind of steel are the STANLEY Sureform® blades made of? Stanley® 10-049 Instructions Comments 0 comments Please sign in to leave a comment.
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