FYOU GAUGES is the leading supplier and server of ANSI/ASME Thread Gauges, Thread Plug Gauges, Thread Ring Gauges, no/no go thread gauges, 4 days delivery, and comes with the calibration certificates traceable to NIM if requested.
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E-mail: sales@fyougauges.com WhatsApp: +86 13962168423
FYOU GAUGES manufactures gauges to all most of the following ANSI Thread Series Designations:
| Designations | Thread Series | Reference |
| UN | Unified Inch Screw Thread, Constant-Pitch Series | B1.1 |
| UNC | Unified Inch Screw Thread, Coarse-Pitch Series | B1.1 |
| UNF | Unified Inch Screw Thread, Fine-Pitch Series | B1.1 |
| UNEF | Unified Inch Screw Thread, Extra-Fine Series | B1.1 |
| UNS | Unified Inch Screw Thread, Special Diameter Pitch, or Length of Engagement | B1.1 |
| UNJ | Unified Inch Screw Thread, Constant-Pitch Series with Rounded Root of Radius 0.15011P to 0.18042P (3) | B1.15 |
| UNJC | Unified Inch Screw Thread, Coarse-Pitch Series, with Rounded Root of Radius 0.15011P to 0.18042P (3) | B1.15 |
| UNJF | Unified Inch Screw Thread, Fine-Pitch Series, with Rounded Root of Radius 0.15011P to 0.18042P (3) | B1.15 |
| UNJEF | Unified Inch Screw Thread, Extra-Fine Pitch Series, with Rounded Root of Radius 0.15011P to 0.18042P (3) | B1.15 |
| UNR | Unified Inch Screw Thread, Constant-Pitch Series, with Rounded Root of Radius Not Less Than 0.108P | B1.1 |
| UNRC | Unified Inch Screw Thread, Coarse-Pitch Series, with Rounded Root of Radius Not Less Than 0.108P | B1.1 |
| UNRF | Unified Inch Screw Thread, Fine-Pitch Series, with Rounded Root of Radius Not Less Than 0.108P | B1.1 |
| UNREF | Unified Inch Screw Thread, Extra-Fine Pitch Series, with Rounded Root of Radius Not Less Than 0.108P | B1.1 |
| NC5 | Class 5 Interference Fit External Threads | B1.12 |
| NC5HF | For Driving in Hard Ferrous Material of Hardness over 160 Bhn | B1.12 |
| NC5CSF | For Driving Copper Alloy and Soft Ferrous Material of 160 Bhn or Less | B1.12 |
| NC5ONF | For Driving in Other NonFerrous Material (Nonferrous Materials Other Than Copper Alloys, Any Hardness | B1.12 |
| NC5 | Class 5 Interference Fit Internal Threads | B1.12 |
| NC5 IF | Entire Ferrous Material Range | B1.12 |
| NC5 INF | Entire Nonferrous Material Range | B1.12 |
| M | Metric Screw Threads-M Profile with Basic ISO 68 Profile | B1.13M B1.18M |
| MJ | Metric Screw Threads-MJ Profile with Rounded Root of Radius 0.15011P to 0.18042P | B1.21M |
| MJS | Metric Screw Threads-MJ Profile Special Series | B1.21M |
| UNM | Unified Miniature Thread Series | B1.10 |
| NPT | American Standard Taper Pipe Threads for General Use | B1.20.3 |
| NPTF | Dryseal American Standard Taper Pipe Threads | B1.20.3B |
| F-PTF | Dryseal Fine Taper Threads Series | B1.20.3 Appendix.C |
| PTF-SAE Short | Dryseal SAE Short Taper Pipe Threads | B1.20.3 |
| PTF-SPL Short | Dryseal Special Short Taper Pipe Threads | B1.20.3 Appendix.C |
| PTF-SPL Extra Short | Dryseal Special Short Taper Pipe Threads | B1.20.3 Appendix.C |
| SPL-PTF | Dryseal Special Taper Pipe Threads | B1.20.3 Appendix.C |
| ANPT | Aeronautical National Form Taper Pipe Threads (2) | MIL P-7105B |
| NPSL | American Standard Straight Pipe Threads for Loose-Fitting Mechanical Joints with Locknuts | B1.20.1 |
| NPSM | American Standard Straight Pipe Threads for Free-Fitting Mechanical Joints for Fixtures | B1.20.1 |
| NPSC | American Standard Straight Pipe Threads in Pipe Couplings | B1.20.1 |
| NPSF | Dryseal American Standard Fuel Internal Straight Pipe Threads | B1.20.3 |
| NPSI | Dryseal American Standard Intermediate Internal Straight Pipe Threads | B1.20.3 |
| NH | American Standard Hose Coupling Threads of Full Form | B1.20.7 |
| NPSH | Dryseal American Standard for Hose Coupling Joints with Straight Internal & External Loose Fitting Threads | B1.20.7 |
| NFPA 1963 | Fire Hose Connections | |
| NHR | American Standard Hose Coupling Threads for Garden Hose Applications | B1.20.7 |
| NGT | National Gas Taper Threads (See Also SGT) | CGA V-1 |
| NGO | National Gas Outlet Threads (1) | CGA V-1 |
| NGS | National Gas Straight Threads | CGA V-1 |
| SGT | Special Gage Taper Threads | BS.21 |
| R | British Taper Pipe Threads | BS.21 |
| Rc, Rp | British Taper Pipe Threads | BS.21 |
| G | Straight Pipe Threads | BS.2779 |
| BSW | British Parallel Screw Threads | BS.84 |
| BSF | British Parallel Screw Threads | BS.84 |
| BA | British Screw Threads | BS.57 |
| ACME-C | Acme Threads, Centralizing | B1.5 |
| ACME-G | Acme Threads, General Purpose | B1.5 |
| STUB ACME | Stub Acme Threads | B1.8 |
| BUTT | Buttress Threads, Pull Type | B1.9 |
| PUSH-BUTT | Buttress Threads , Push Type | B1.9 |
| AMO | American Standard Microscope Objective Threads | B1.11 |
| AWWA | Underground Service Line Valves and Fittings | C800-84 |
| DIN | German Specifications | |
| JIS | Japanese Industrial Standard | |
| ISO | International Standard Organization |
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