173MAT Metric Thickness Gage 57087

The Starrett 173MAT, Millimeter Reading Thickness Gauge with Tapered Leave 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 13 leaves ranging from .03 to .50mm thickness. 13 Tapered Leaves, 12.7x77mm, mm reading, 0.03-0.50mm 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


  • Range (mm): .03mm-.50mm
  • Number of Leaves: 13
  • Size of Leaves (mm): 12.7mm-7mmx77mm
  • Thickness (mm): .03-.50
  • Leave Type: Tapered
  • Leaves: 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.15, 0.20, 0.30, 0.40, 0.50
  • Locking Device: Yes
  • Material: Tempered Steel


    Member of Kit
    Item #DescriptionPart No.QtyInformation
    1CASE BLANK13026-01
    2BLOCK,FILLER #173MA23032-01
    3LOCK DEVICE #173PT992811
    4•NUT, .125-4012217-01
    7CASE, FRONT23034-01
    8LEAF, .03MM01714-31
    9LEAF, .06MM01714-61
    10LEAF, .10MM01714-101
    11LEAF, .15MM01714-151
    12LEAF, .40MM01714-401
    13LEAF, .07MM01714-71
    14LEAF, .30MM01714-301
    15LEAF, .05MM01714-51
    16LEAF, .08MM01714-81
    17LEAF, .20MM01714-201
    18LEAF, .04MM01714-41
    19LEAF, .50MM01714-501
    20LEAF, .09MM01714-91