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Thread gauges are used to identify size and thead pitch of nuts, bolts and screws. Inch and Metric Sizing; Solid steel thread checker on wire lanyard; Offers knobs and slots with permanent, easy to read size markings that won't peel off; Chemical resistant (tested and approved!) Used to gauge standard fastener sizes from #6-32 through 1/2"-20


Thread Pitch Gauges Features: Standard thread pitch gauge measures the number of threads per inch Metric thread pitch gauge measures the distance between threads in millimeters Quality construction for long life and accurate readings


ISO Metric Gauges are most commonly used Gauges in the Industry. Specification : ISO standard : Basic Dimensions : ISO 965 Part 1,2,3 - 1998, Gauging Practice: ISO 1502-1996. Indian standard : Basic Dimensions: IS 14962 Part 1,2,3 - 2001, Gauging Practice: IS 2334 - 2001. ANSI standard : Basic Dimensions: ANSI / ASME B 1.13 M , Gauging Practice: ANSI / ASME B 1.16 M – 1984.


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Metric thread data chart with fine pitch (1 mm - 28 mm). Comprehensive technical information on thread gages for measuring threads.


Available in 3B or 2B (Unified); 4H or 5H (Metric) Class of Fit. Available for a full range of Unified and Metric thread sizes. Ensures accuracy of the finished threads. Compatiable with screw thread inserts from Helicoil, Recoil and others. Lower cost than similar gages from competitors.


Working Thread Plug Gages. Working thread plug gages are used to insure the assembly of mating threaded parts. Vermont Gage inventories a broad range of Working Thread Plug Gages used to inspect both the Unified Inch and M Series Metric product threads.


Gage Assembly is an industry leading custom thread gauge manufacturer. Metric and standard sizes available. Chrome plating available for long-lasting gages.


The Gage Store specializes in Thread Ring Gages, & Thread Plug Gages to meet requirements for UNC, UN, UNF, UNEF, UNS & UNJ Style as well as Mil Spec, SAE & Metric Thread Gages. We deliver the very highest quality gauges for both Left Hand & Right Hand Threads for external threads (Thread Rings), and internal threads (Thread Plugs).


Metric external thread dimensions are given in the external thread chart below according to ASME B1.13M standard. Thread pitch diameter, major diameter and minor diameter for M profile external threads are given. All dimensions are in millimeters.