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China made NC 38 LH thread ring and Plug gage in stock, delivery in 2 weeks.








Sowant Precision Gage can offer NC thread plug gage and NC thread Ring Gage to worldwide in 2 week,.

Sowant Precision Gage is a leading manufacturer and supplier of API 7-2 standard thread gauges, including NC 38 LH (Left-Hand) thread plug and ring gauges for petroleum and drilling applications. Our gauges are precision-engineered to meet strict API standards, ensuring accurate and reliable performance in harsh drilling environments.
In addition to NC thread gauges, we also produce:
REG thread gauges
FH thread gauges
IF thread gauges
API 5B standard gauges (TBG, BCSG, SHARP VEE, HBPV back pressure valve thread gauges)
Many of our gauges are available from stock, ensuring fast delivery to meet urgent project demands.
We are also an authorized distributor of high-precision measuring instruments, including:
Mitutoyo (Japan)
Mahr (Germany)
INSIZE digital calipers
The NC 38 LH (Left-Hand) thread gauge is widely used in oilfield drilling equipment. Our gauges are manufactured to API 7-2 specifications with high-grade steel, ensuring durability and precise thread verification.
✔ Left-Hand (LH) Thread Design – For specialized drilling applications.
✔ API 7-2 Compliant – Meets strict industry standards.
✔ High Hardness & Wear Resistance – Made from premium alloy steel.
✔ Precision CNC Machining – Ensures consistent accuracy.

We manufacture all standard NC (Numbered Connection) thread gauges, including:
NC 23
NC 26
NC 31
NC 35
NC 38
NC 40
NC 44
NC 46
NC 50
NC 56
NC 61
NC 70
NC 77
NC 80
NC 88
NC 94
(Available in both Right-Hand (RH) and Left-Hand (LH) versions.)
We also produce REG (Regular) thread gauges for casing and tubing connections:
REG 2 3/8
REG 2 7/8
REG 3 1/2
REG 4
REG 4 1/2
REG 5
REG 5 1/2
REG 6 5/8
REG 7 5/8
REG 8 5/8
REG 9 5/8
REG 10 3/4
REG 11 3/4
REG 13 3/8
REG 16
REG 18 5/8
REG 20
For API 5B standard SHARP VEE thread gauges, we offer:
1.050" SHARP VEE (1.050-8)
1.315" SHARP VEE (1.315-8)
1.660" SHARP VEE (1.660-8)
1.900" SHARP VEE (1.900-8)
2 3/8" SHARP VEE (2.375-8)
2 7/8" SHARP VEE (2.875-8)
3 1/2" SHARP VEE (3.500-8)
4" SHARP VEE (4.000-8)
4 1/2" SHARP VEE (4.500-8)
5" SHARP VEE (5.000-8)
5 1/2" SHARP VEE (5.500-8)
6 5/8" SHARP VEE (6.625-8)
7" SHARP VEE (7.000-8)
7 5/8" SHARP VEE (7.625-8)
8 5/8" SHARP VEE (8.625-8)
✔ API-Compliant Gauges – Meets API 7-2, API 5B, and other industry standards.
✔ Fast Delivery – Many gauges are in stock for immediate shipment.
✔ High-Quality Materials – Precision-ground for long-lasting accuracy.
✔ Full Range of Thread Gauges – NC, REG, FH, IF, TBG, BCSG, SHARP VEE, HBPV.
✔ Premium Measuring Tools – We supply Mitutoyo, Mahr, and INSIZE instruments.
For inquiries or custom thread gauge requirements, contact us today!
Sowant Precision Gage – Your Trusted Partner for API Thread Gauges & Precision Measuring Tools!
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