IT-5108 | Pin Seal Diameter Gages

Internal Diameter/Groove Gage, Range: 8” Depth, 1½” - 10” Diameter

Gagemaker’s internal diameter and groove gages measure variation in internal bore diameters. 

Precision Minor Diameter Measurement • API‑Compliant • Industrial‑Grade Accuracy

The Gagemaker IT‑5108 is a high‑precision internal thread diameter gage engineered to measure the minor diameter of internal threaded connections with exceptional accuracy and repeatability. Designed for demanding inspection environments, this gage ensures every threaded component meets strict API and premium connection tolerances—helping prevent fit‑up issues, galling, tool wear, and costly rework.

Built with rugged materials and smooth indicator mechanics, the IT‑5108 delivers fast, stable, and reliable readings ideal for machining, manufacturing, and oilfield service operations.

GAGEMAKER IT-5108: Internal Taper & Groove DiameterGage,

8" Depth, 1-1/2" - 10" Diameter