tool steel

noun

1. any of various high-carbon steels capable of being hardened and tempered to meet special requirements for machining, etc.

tool steel

noun

1. any of various steels whose hardness and ability to retain a cutting edge make them suitable for use in tools for cutting wood and metal

Example Sentences

The making of such “tool steel” was critical for the second stage of the industrial revolution, where American industry came into its own.

From Forbes

The spindle is of tool steel 31⁄2 inches in diameter at the front bearing, tapering uniformly 3⁄4 inch per foot to the back end.

From Project Gutenberg

Large diameter oil tempered springs held in tool steel cups, locked with a key, are provided.

From Project Gutenberg

The cutters are made of square tool steel of commercial size, and are ground and set to take a scraping end cut.

From Project Gutenberg

Cobalt is also used in some of the best high-speed tool steels.

From Project Gutenberg