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MUELLER - 88 Series - Adjustable Diameter & Groove Gage

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  • Full 1" Travel or Retraction for checking deep grooves
  • Contact Points are adjustable to 2-1/2" depth
  • Gage comes standard with:
    • .0005" indicator
    • 88-375C contacts
  • .0001" and other contacts may be substituted at additional cost     

*These gages are made to order, please allow 8 to 10 weeks for shipment

Additional Information +
Item No. Contacts (see Contact Options below details) Our Price
88/88-100 w/ 88-100 Contacts Contact us for a Quote
88/88-375C w/ 88-375C Contacts Contact us for a Quote
88/88-1-375C w/ 88-1-375C Contacts Contact us for a Quote
88/88-500 w/ 88-500 Contacts Contact us for a Quote
88/88-1000 w/ 88-1000 Contacts Contact us for a Quote
88/88-448 w/ 88-448 Contacts Contact us for a Quote


Mueller Gages Catalog



Contact Options 


  • Precise depth setting makes groove diameter inspection easier when the part face can be used as a datum surface.
  • Hardened & precision ground A-2 steel rest surface.
  • Full 1" travel or retraction for checking deep grooves.
  • Fine adjustment mechanism for rapid setting.
  • Indicator can be rotated 360 degrees for easy viewing.
  • Contact points adjustable to 2 1/2" depth.
  • Optional stand for use as a bench gage.
  • Overall length with indicator - 12.75 in.
  • Gage Weight 38 oz.
  •  Allow up to 8 weeks for Delivery
  • ** Gage Supplied with .0005" indicator and 88-375c contacts, .0001" and other contacts substituted at additional cost