52422

456A Gear Tooth Vernier Caliper 52422

The Starrett 456 Gear Tooth Vernier Caliper is designed to measure in .001” or 0.02mm the thickness of gear teeth at the pitch line (the chordal thickness of the teeth) using the distance from the top of a tooth to the chord. For the same purpose, it can also be used for measuring hobs, form and thread tools, etc. 20-2 Diametral Pitch.

Features
Specifications
Parts
Downloads
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Features

  • Can be used for measuring hobs, form and thread tools
  • Adjusted independently by screws on the graduated bars
  • Thickness of a tooth at the pitch line is measured by an adjustable jaw after the addendum is set by the adjustable tongue

Specifications

  • Range (in): 0 to 1-1/4"
  • Graduations (in): .001"
  • Accuracy (in): +/-.0005" per foot

Parts

    Member of Kit

    Item #DescriptionPart No.QtyInformation
    1BARNOT AVAILABLE 11* SEE NOTE
    2VERTICAL JAW HOLDERNOT AVAILABLE 21* SEE NOTE
    3HORIZONTAL JAW HOLDERNOT AVAILABLE 31* SEE NOTE
    4VERNIER PLATENOT AVAILABLE 42* SEE NOTE
    5CARRIER SUB ASSEMBLY05828-02 
    6GIB, CARRIER FILLER17972-04 
    7SCREW, .100-56 LOCK X .393
    LONG
    PT079594 
    8NUT, .100-5605832-02 
    9ROD, .100-56 ADJ.02427-02 
    10SCREW, .085-60 SET X .389 LONG05834-01 
    11SCREW,  #1-64 SLOT X .088 LONGPT01195A4 
    12PIN, .040D X .188L05835-01 
    13COLLAR, ADJ. SCREW05856-02 
    14* CUSTOM FIT AT FACTORYNO-NUMBER0