mitutoyo_155_903
mitutoyo_155_903_2
mitutoyo_155_903
mitutoyo_155_903_2

MITUTOYO 155-903 telescopic jig set 0.313-6" in plastic storage case 6-piece

Supplier number: MITUTOYO 155-903 | EAN 4946368023618
340.40 tax incl.
€281.32 excl. VAT (incl. all environmental contributions)
On order: delivered from 10/10/2026
set

  • Ordered before 20:00 - delivered as of 10/10/2026
  • Free shipping
  • Delivery by DHL
  • Delivered from Belgium

Precise internal bore measurements with Mitutoyo

Practical benefits
  • Wide total measuring range: With six included gages, you cover internal diameters from 0.313" to 6" in bores and slots.
  • Smooth spring-loaded plunger action: Balanced spring pressure expands the plungers evenly inside the opening for dependable and repeatable contact.
  • Secure knurled lock mechanism: You easily lock the measured size in place with the knurled clamp before transferring it to a micrometer.

In a nutshell

The right choise for

With the Mitutoyo 155-903 telescoping gage set, you accurately measure internal diameters from 0.313" to 6" inside bores, cylinders, and slots. The balanced spring-loaded plungers expand smoothly against workpiece walls to ensure consistent, repeatable contact. Using the knurled clamp, you securely lock the measured size in place before transferring the dimension to an outside micrometer for an exact readout. The hardened steel contact surfaces with a satin chrome finish deliver long-lasting precision in the workshop. Containing six gages from 155-121 through 155-126 in a fitted plastic pouch, this set keeps your precision tools organized and protected.



€340.40
tax incl.

Product information

Key features according to our expert

  • Caliber type: Plug gauge

Product description:

  • Self-centering and satin chrome finish.
  • Constant spring force on to the measuring surface. Locked in position by knurled lockscrew.

All Features

Caliber type
Plug gauge
  • Brand MITUTOYO
  • EAN 4946368023618
  • Supplier number MITUTOYO 155-903

Frequently asked questions about this product

Answered by specialists
What is the total measuring range of this set?
The 6-piece set covers a range of 0.313" to 6" (8 mm to 150 mm) using six individual gages from 155-121 to 155-126.
How do you obtain the final bore measurement?
Lock the spring-loaded plungers inside the hole using the knurled clamp, then measure across the contact points with a micrometer.
Which individual gage models are included in this set?
The set includes models 155-121, 155-122, 155-123, 155-124, 155-125, and 155-126 to cover various internal diameters.
How is the telescoping gage set stored?
The gages are supplied in a fitted plastic pouch for secure organization and protection.
What material is used for the measuring contacts?
The measuring surfaces are made of fully hardened steel with a satin chrome finish for long tool life and reliable accuracy.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

Chat with us

Viewed products

⚠️
Connection lost
Oops! It looks like you lost your connection. Page was automaticaly reload.