66T English Thickness gage 50315

66 Thickness Gages
Tempered Steel Thickness Gage with Tapered Leaves, .0015"-.025" Range, 26 Leaves

The Starrett 66T, Inch Reading Thickness Gage with Tapered Leaves is used in automotive, aviation, diesel and farm equipment manufacture and services and also in jig, fixture, gauge and experimental work. Especially useful in adjusting tappets, spark plugs, distributor points, checking bearing clearances and gear play, fitting pistons, rings and pins and gaging narrow slots. Includes 26 leaves ranging from .0015 to .025" thickness. 26 Tapered Leaves, 1/2-1/4 x 3 1/32", .0015-.025" Range.

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  • Carefully finished to correct thickness
  • Individually tested and marked with thickness
  • Leaves easily removed or replaced
  • Rugged, substantial steel case protects leaves
  • Tapered Leaves
  • Leaves made of finest tempered-steel
  • Locking device on most gages permits securely locking one or more leaves in position


  • Made in America: Yes
  • Range (in): .0015"-.025"
  • Number of Leaves: 26
  • Size of Leaves (in): 1/2"-1/4"x3"-1/32"
  • Thickness (in): .0015-.025
  • Leave Type: Tapered
  • Leaves: .0015, .002, .0025, .003 to .025 in .001 increments
  • Locking Device: Yes
  • Material: Tempered Steel


    Catalog 33 - Section 16 - Fixed Gage Standards

    Fixed Gage Standards include a comprehensive choice of standard gages that quickly check dimensions on a variety of workpieces. They are very useful for in-process and final inspection. Products include pin gages, drill gages, sheet and wire gages, center gages, screw pitch gages, radius gages, ball and diameter gages, angle gages, thickness gages and feeler stock.

    Precision Hand Tools (Catalog 33)

    612 page catalog featuring precision hand tool, force measurement, vison systems, optical comparators, laser measurement, and flat stock.

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      Set Contents
      Item #Part No.Description
      113002-013002-0 Leaf, .011
      213004-013004-0 Leaf, .013
      313007-013007-0 LEAF, .016
      413015-013015-0 Leaf, .024
      5PT12991PT12991 TAPERED LEAF, .0015", FOR #66T
      6PT12992PT12992 TAPERED LEAF, .002", FOR #66T
      7PT12993PT12993 TAPERED LEAF, .0025", FOR #66T
      8PT12994PT12994 TAPERED LEAF, .003", FOR #66T
      9PT12995PT12995 TAPERED LEAF, .004", FOR #66T
      10PT12996PT12996 TAPERED LEAF, .005", FOR #66T
      11PT12997PT12997 TAPERED LEAF, .006", FOR #66T
      12PT12998PT12998 TAPERED LEAF, .007", FOR #66T
      13PT12999PT12999 TAPERED LEAF, .008", FOR #66T
      14PT13000PT13000 TAPERED LEAF, .009", FOR #66T
      15PT13001PT13001 TAPERED LEAF, .010", FOR #66T
      16PT13003PT13003 TAPERED LEAF, .012", FOR #66T
      17PT13005PT13005 TAPERED LEAF, .014", FOR #66T
      18PT13006PT13006 TAPERED LEAF, .015", FOR #66T
      19PT13008PT13008 TAPERED LEAF, .017", FOR #66T
      20PT13009PT13009 TAPERED LEAF, .018", FOR #66T
      21PT13010PT13010 TAPERED LEAF, .019", FOR #66T
      22PT13011PT13011 TAPERED LEAF, .020", FOR #66T
      23PT13012PT13012 TAPERED LEAF, .021", FOR #66T
      24PT13013PT13013 TAPERED LEAF, .022", FOR #66T
      25PT13014PT13014 TAPERED LEAF, .023", FOR #66T
      26PT13016PT13016 TAPERED LEAF, .025", FOR #66T

    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