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Gages You Can Trust

Great Lakes Gage delivers dependable gaging solutions designed to maintain accuracy, simplify inspections, and keep production running smoothly.

Trusted Brands

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Ring Gages

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Verify external diameters with durable ring gages that ensure consistent part quality.

Thread Gages

Precision thread gage for internal and external thread inspection

Measure internal and external threads with accuracy to confirm fit and compliance.

Master Discs Gages

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Calibrate and verify measurement systems with stable, long-lasting master discs.

Snap Gages

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Quick, accurate, and easy-to-use tools for checking external dimensions and diameters with go/no-go efficiency.

Spline Gages + Custom Spline Gages

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Precision-engineered to measure internal and external spline profiles, ensuring accurate fit, alignment, and performance in critical components.

Feeler Gage

Feeler gage set for precision gap and clearance measurement

Thin, durable blades for accurate gap, clearance, and spacing measurement—ideal for setup, inspection, and maintenance.

Go/No-Go Gages

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Simple, reliable tools for quickly verifying part tolerances. Designed to confirm whether dimensions fall within specified limits, ensuring fast and accurate pass/fail inspection.

Pin Gages and Assemblies

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Versatile tools for measuring hole sizes, slot widths, and distances with precision. Available as individual pins or complete assemblies for fast, accurate inspection.

Progressive Plug Gages

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Progressive plug gages quickly verify multiple diameters in one pass. Custom ISO-certified inspection gages ensure compliance, repeatability, and reliable quality.

Torque Tester

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Precision-engineered torque testers for accurate, repeatable measurement.

Optical Comparators 

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Fast, non-contact measurement for accurate part inspection and profile verification, delivering clear magnified views for confident quality control.

Request a Quote

We’re here to help you find the right solution. Whether you need a quote, product information, or technical support, complete the form and our team will follow up promptly.

Locations:
Fond du Lac, WI
Holt, MI
Minneapolis, MN

Contact:
(517) 699-3600
sales@greatlakes-gage.com

© 2026 Great Lakes Gage. All rights reserved.

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