500 - Sine Bar 72793

5" Steel Sine Bar

The Starrett Sine Bar is manufactured from the finest steel, harden precision ground, stabilized, and demagnetized. Used for precise angular measurements or face locate any working surface to a given angle. Use with Starrett Webber Gage Blocks to establish precise angular measurements.

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  • Type: Sine Bar
  • Distance Between Rolls (Inch): 5"
  • Parallelism (Decimal Inch): 0.0004"
  • Overall Length (Inch): 6"
  • Overall Width (Inch): .930"
  • Accuracy of cylindrical center distance tolerance is .0002"/.005mm
  • Sine Bar is used either to measure an angle very accurately or face locate any work to a given angle
  • Can be used with our Webber Gage Blocks to establish precise angular measurements
  • All parts are demagnetized
  • High precision working surface
  • Hardness: HRc 60-62
  • With Aluminum Case


  • Made in America: No


    Starrett Sine Bar Conversion Chart

    This document includes a complete sine bar conversion chart as well as compound angle compensation instructions.

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    California Proposition 65 Warning

      WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov