

●PROFESSIONAL thread gauges' manufacturer
●china api thread gages'supplier
●export gages'and measurements to worldwide

Sowant Precision Gage Co. is a specialized manufacturer and supplier of precision thread gauges and measuring instruments. With advanced CNC thread grinding technology, we produce high-accuracy gauges for a wide range of industrial applications, including oil & gas, automotive, aerospace, and heavy machinery.
Our core strength lies in custom and large-size thread gauges (above 4 inches), ensuring compliance with international standards such as ISO, ASME, API, and BS. Additionally, we distribute renowned brands like Mitutoyo (calipers, digital depth gauges) and Mahr (Germany) to provide comprehensive measurement solutions.
ISO 228 G Thread Plug & Ring Gauges (BSPP)
M Thread Gauges (Metric Coarse/Fine)
UN Thread Gauges (Unified National Coarse/Fine)
ACME Thread Gauges (ASME B1.5)
STUB ACME Thread Gauges (ASME B1.8)
BS Thread Gauges (British Standard Whitworth, BSW, BSF)
HBPV Thread Gauges (High-Pressure Valve Threads)
Custom-made big diameter ring & plug gauges with tight tolerances.
Fast lead time: 3 weeks for most large-size gauges.
TBG (Tubing) & UPTBG (Upset Tubing) Gauges
REG (Round Thread Casing) Gauges
NC (National Coarse) Gauges
BCSG (Buttress Casing) Gauges
CNC thread grinding ensures exact thread form, pitch, major/minor diameter, and pitch diameter within tolerance.
Strict quality control for thread angle accuracy (29° for ACME, 55° for BSPP, 60° for UN/Metric).
Standard gauges: 1-2 weeks
Large-size gauges (4" and above): 3 weeks
We also supply high-end measuring instruments, including:
Mitutoyo (Digital Calipers, Micrometers, Depth Gauges)
Mahr (Germany) (Precision Metrology Equipment)
Sowant Precision Gage Co. is committed to providing high-accuracy, durable, and cost-effective thread inspection solutions. Whether you need standard gauges, API oilfield threads, or oversized custom gauges, we deliver with fast turnaround and competitive pricing.
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