2.035″-40 UNS thread ring gauge 2A GO NOGO US$300
2.035-40 UNS 2A thread ring gauge GO NOGO with calibration certificate US$350
2.035-40 UNS 2B thread plug gage GO NOGO US$250
2.035″-40 UNS 2B thread plug gage GO NOGO with calibration certificate US$300
Decimal:2.035
TPI:40
Thread Form: UNS
Ring gauges Tolerance: 2A
Plug gauges Tolerance: 2B
Thorlabs of the United States has these special SM05, SM1, SM2 threads, SM05 means 1/2″ , SM1 means 1″, SM2 means 2″, They are not a commonly used optical thread. SM is the code name for the thread of the sewing machine. However, Thorlabs uses it to connect the optical lens and the internal and external threads of the sleeve. The thread form is UNS, Unified Special Pitch thread. The thread tolerance accuracy is 2A/2B, the pitch is 40 teeth per inch.
| Stype | Thread (inch) | Diameter mm | Minor diameter mm | Pitch diameter mm | Major diameter mm | |
| SM05 | Internal | 0.535-40 | 13.59 | 12.98+-0.07 | 13.24+_0.05 | >13.59 |
| SM05 | External | 0.535-40 | 13.59 | <12.78 | 13.10+_0.05 | 13.5+_0.05 |
| SM1 | Internal | 1.035-40 | 26.29 | 25.68+_0.07 | 25.95+_0.07 | >26.29 |
| SM1 | External | 1.035-40 | 26.29 | <25.48 | 25.79+_0.05 | 26.19+_0.06 |
| SM2 | Internal | 2.035-40 | 51.69 | 51.08+_0.075 | 51.35+_0.075 | >51.69 |
| SM2 | External | 2.035-40 | 51.69 | <50.87 | 51.18+_0.05 | 51.59+_0.05 |
2.035-40 UNS-2B thread plug gage
Go pitch diameter:2.0188+0.00030
Nogo pitch diameter: 2.0239 -0.00030
2.035-40 UNS-2A thread ring gauge
Go pitch diameter:2.0176 -0.00030
Nogo pitch diameter: 2.0137+0.00030
These UNS thread gages need custom production, ring gages need two weeks to be finished, plug gauges need ten days to be finished.
Worldwide shipment，usually taking 3-4 days clients can receive goods.
The pictures are just for reference. As too many items in stock,
we haven’t taken pictures one by one.
If needed, one long form calibration certificate from professional third party testing lab
accredited to ISO/IEC 17025 can be supplied.
Each gage 100% calibrated with quality assurance.
About us
We are a professional manufacturer and supplier of thread ring gages and
Thread plug gauges, including GO/NOGO, RH/LH(right hand and left hand).
We have rich ranges of thread gauges, including UN, Metric, ACME, stub-ACME,
BSPP, BSPT, NPT, NPTF, Trapezoidal, and Whitworth etc.
We are committed to providing superior quality with excellent service in
short delivery time, We aim to build long-term customer relationships.
If clients need some special thread gauges, then our custom production service can be provided.
Check the full range of UNS thread gage in stock
