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tool steel

any of various high-carbon steels capable of being hardened and tempered to meet special requirements for machining, etc. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for tool steel
Historical Examples
  • 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.

  • All machinists know of certain brands of tool steel which they prefer.

    Steam Steel and Electricity James W. Steele
  • Take a bar of tool steel and cut it a little longer than the radius of curvature required.

    On Laboratory Arts Richard Threlfall
  • Large diameter oil tempered springs held in tool steel cups, locked with a key, are provided.

    Aviation Engines Victor Wilfred Pag
  • These cutter blades are made of tool steel and have a bevel at each end, one at 45 degrees, the other at 60 degrees.

    Aviation Engines Victor Wilfred Pag
  • Other consumers in the main satisfied their requirements by imports of tool steel from these four countries.

  • The kind shown at A is usually made of tool steel and the body is finished to a standard size.

    Turning and Boring Franklin D. Jones
  • Again, it does not support the tool sideways unless the tool steel is dressed up and closely fits the groove in the holder.

  • In tool steel there is an almost infinite variety as to quality.

    Steam Steel and Electricity James W. Steele
  • When the carbon percentage is high, the steel is called "high carbon" steel, and it is used in the shop as tool steel.

British Dictionary definitions for tool steel

tool steel

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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