Please select
Imperial UNC (Unified National Coarse) Ring Thread Gauges are precision tools used to inspect and verify the accuracy of external threads that conform to UNC standards. These gauges feature internal threads specifically crafted to match UNC specifications, ensuring that bolts, screws and other externally threaded components meet exact tolerances. Known for their coarse thread pitch, UNC threads are ideal for applications requiring strong, quick-assembly connections.
Imperial UNC Ring Thread Gauges are used to test the external threads of components by screwing the part into the gauge. A "Go" gauge ensures the thread meets minimum size requirements by allowing the part to fit smoothly. A "No-Go" gauge ensures the thread does not exceed maximum tolerances by failing to engage fully. This dual-check system is critical for quality control in industries like construction, automotive and heavy machinery manufacturing. For example, these gauges are commonly used to verify bolt threads in structural applications, ensuring they fit securely with mating components and maintain mechanical integrity.
These gauges are manufactured from hardened tool steel or high-grade alloy steel. Tool steel is chosen for its exceptional wear resistance, durability and ability to retain precision over repeated use. The hardened construction ensures the gauges maintain their accuracy in demanding environments.
A: These gauges verify the accuracy of external threads, ensuring they meet Unified National Coarse standards for secure and reliable assembly.
A: UNC threads are coarse, offering quick assembly and high strength, while UNF threads are finer, providing tighter fits for precise applications.
A: Yes, they can verify the accuracy of both new and existing external threads, ensuring they meet UNC specifications.
High precision, bespoke manufacture of Imperial UNC Ring Thread Gauges to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.
Get A QuoteChange Language
Change Currency
Cookie Preferences
These are cookies that are necessary for the Platform to function as well as to operate our business. These are used to let you login, stay logged in, measure our traffic (anonymously) and to ensure site security. Without this type of technology, our Services won't work properly or we won't be able to provide certain features and functionalities.
These are cookies that are used for collecting information about how you use our Services and visit our Platform (i.e. duration of your navigation on our Platform, pages visited, link clicked, referrer page, etc).
These are cookies that are used for collecting information to manage our advertising. We implement Consent Mode to store cookies related to advertising, set consent for personalised advertising, and send user data to advertisers like Google. Google Privacy Policy.
Destination | Available Services | |
---|---|---|
Standard | Express - Order By 6:30PM | |
+ per kg |
+ per kg Free with AccuPro |
Destination | Available Services | |
---|---|---|
Morning Express (Before Noon) | Saturday Express | |
Please note: The shipping options listed below are for the expedition of transit only. Lead times and manufacture schedules for out-of-stock products will still apply. Accurate delivery date estimates are always displayed during the checkout process.