450M-300 Dial Depth Gage 64276

The Starrett 450 Dial Depth Gage is ideal for the individual mechanic. It is light, reliable and accurate for measurements to .001" or 0.02mm and will fit into most toolboxes. 0-300mm Range, 0.02mm Grad.

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  • Sharp, easy-to-read dial graduations of 0.02-2mm in one revolution
  • Sharp, black graduations on the satin chrome finished bar, every .100" or 1mm
  • Lock screw for dial bezel
  • Lock screw for holding the measuring rod in position
  • Optional base extensions of 7" and 12" (175 and 300mm) are available to increase the base span on both models
  • Removable hook attachment permits readings from the edge of a workpiece to edges of slots, shoulders, etc.
  • Hardened, stainless steel base, measuring bar, rack and gears
  • Positive split gear anti-backlash control


  • Range (mm): 0-300mm
  • Graduations (mm): 0.02mm
  • Dial Reading: 0-100


    Member of Kit
    Item #DescriptionPart No.QtyInformation
    1SCREW, #1-64 SLOT X .082PT068392
    2BASE #450 METRIC27162-01
    3SCREW, 1/16-64 SLOT X .050 LONG27769-02
    4GIB SPRING, #45027770-01
    5GIB, #45027771-01
    6BAR, 300MM #450M27164-01
    7DIAL #450M27072-01
    8HOOK,DEPTH GAGE27160-01
    10SCREW, 1/16-64 SLOT X .065 LONGPT190514
    11O-MARKER #450-622169-01
    12RACK #120MB24941-02
    13SCREW, 1/16-64 SLOT X .085 LONG10956-012
    14SCREW, #3-56 LOCK X .410 LONG22172-01
    15CASE, INDICATOR-MET.19234-01
    16SPRING, DETENT22080-01
    17GEAR ASSEM 120-150 #120AMPT991381
    18•RACK PINION ASSEM. #120AM26553-01
    20•GEAR,ANTI-BACK #120MPT192291
    21PINION, HAND #120MPT192301
    22O-RING, RETAINING23534-01
    24HAND, #120PT190351
    26•CRYSTAL, #120PT190431
    27•BEZEL, #120PT190421
    28CLAMP, BEZEL LOCK22289-01
    29SCREW, #2-64 CLAMP X .417 LONGPT190471
    30SCREW, #3-56 SET X .156 LONGPT190231
    31SCREW, #3-56 SET X .125 LONGPT192141
    32SCREW, #1-64 SLOT X .089 LONG26990-01
    33SCREW, .042-120 SLOT X .094 LONG22239-01PRE-MAY 2014
    34BRIDGE, #120M19231-01PRE-MAY 2014
    35SCREW, .042-120 FHCS X .094 LONG05465-01PRE-MAY 2014


    Catalog 33 - Section 4 - Depth Gages

    We offer a choice of depth products varying in form, complexity, cost and accuracy, from the most accurate depth micrometers (electronic, dial and vernier) to the less complex precise rule gages and combination rule gages.

    Precision Hand Tools (Catalog 33)

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