229A Telescoping Gage 50923

229 Telescoping Gages and Sets, with One Arm
Telescoping Gage, 1/2 - 3/4"/13-19mm Range, 2-3/8"/60mm Handle Length

The Starrett 229 Telescoping Gage is used for determining the true size of holes, slots, and recesses up to 6" (150mm). The ends of both contacts are hardened and ground to a radius to allow proper clearance on the smallest hole the gage will enter. This tool must be slightly rocked-¥ in the hole being measured to ensure that the tool is on the proper diameter before it is locked and withdrawn. The final hole size is obtained by measuring over the gage contacts with a micrometer. 1/2"-¥-3/4"-¥ (13-19mm) Range, 2 3/8"-¥ (60mm) Handle.

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  • Precision Ground Radius on each gage provides two-point contact for maximum accuracy
  • Handles can be individually ordered and/or ordered in larger sizes such as 8", 12" or longer
  • Features a handle, one rigid contact arm and one spring-tensioned telescoping contact arm
  • Ends of both contacts are hardened and ground to a radius to allow proper clearance on the smallest hole the gage will enter


  • Made in America: Yes
  • Range (in): 1/2 GÇô 3/4"
  • Range (mm): 13-19mm
  • Handle Length (in): 2-3/8"
  • Handle Length (mm): 60mm


    Catalog 33 - Section 15 - Hole Gages, Slot Gages

    We offer several varieties of small hole gage sets as well as telescoping gages for larger holes. Our taper gages are inserted into a hole or slot, with the diameter determined by the reading on the tool's etched scale.

    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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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      10BODY, 5/16-1/2"19695-01
      20LOCK PIN #22919707-01
      30SPR, .073X.125X.18808772-01
      40BEAM, 1/2-3/4"19701-01
      50GUIDE, SPRING03466-01
      60BOLT, LOCK #579B08781-01
      70BEAM EXT, 1/2-3/4"03445-01
      80SPRING, .075X.095X.875X.010X2103455-01

    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