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API Pup joint thread gauges
- Tianjin / Shanghai Sea Port
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Product Details
Place of Origin | China | Brand Name | SINOTAI | |
Model Number | IF, REG,FH,NC |
In carton boxes
Product Description
TOOL JOINT THREAD GAUGES
Tool joint thread gauges are comprehensive measuring instruments for checking connection threads of tool joints, swivels, Kellies, and drill collars. There are four types of thread gauges depending on the type of tool joint: regular (REG), full hole (FH), internal flush (IF), and numerical connection (NC).
TECHNICAL PARAMETER
NC | ||
Thread type | Number of Threads/thread pitch (in) | Taper(in/ft) |
NC23 | 4(6.35) | 1:6(2) |
NC26 | 4(6.35) | 1:6(2) |
NC31 | 4(6.35) | 1:6(2) |
NC35 | 4(6.35) | 1:6(2) |
NC38 | 4(6.35) | 1:6(2) |
NC40 | 4(6.35) | 1:6(2) |
NC44 | 4(6.35) | 1:6(2) |
NC46 | 4(6.35) | 1:6(2) |
NC50 | 4(6.35) | 1:4(3) |
NC56 | 4(6.35) | 1:4(3) |
NC61 | 4(6.35) | 1:4(3) |
NC70 | 4(6.35) | 1:4(3) |
NC77 | 4(6.35) | 1:4(3) |
REG | ||
Thread type | Number of Threads/thread pitch (in) | Taper(in/ft) |
2 3/8REG | 5(5.08) | 1:4(3) |
2 7/8REG | 5(5.08) | 1:4(3) |
3 1/2REG | 5(5.08) | 1:4(3) |
4 1/2REG | 5(5.08) | 1:4(3) |
5 1/2REG | 4(6.35) | 1:4(3) |
6 5/8REG | 4(6.35) | 1:6(2) |
7 5/8REG | 4(6.35) | 1:4(3) |
8 5/8REG | 4(6.35) | 1:4(3) |
FH | ||
Thread type | Number of Threads/thread pitch (in) | Taper(in/ft) |
3 1/2FH | 5(5.08) | 1:4(3) |
4 1/2FH | 5(5.08) | 1:4(3) |
5 1/2FH | 4(6.35) | 1:6(2) |
6 5/8FH | 4(6.35) | 1:6(2) |
2 7/8FH | 5(5.08) | 1:4(3) |
IF | ||
Thread type | Number of Threads/thread pitch (in) | Taper(in/ft) |
5 1/2IF | 4(6.35) | 1:6(2) |
4 1/2IF | 4(6.35) | 1:6(2) |
4 IF | 4(6.35) | 1:6(2) |
3 1/2IF | 4(6.35) | 1:6(2) |
2 7/8IF | 4(6.35) | 1:6(2) |
2 3/8IF | 4(6.35) | 1:6(2) |
Company Profile

As a professional supplier of OCTG, drilling equipment and workover service, Sinotai Petroleum Equipment Co., Ltd. lies in the production base of petroleum equipment and China's second largest oil field --Shengi Oilfield. Our company is a high-tech enterprise in Dongying City with business scope covering the sale, trading, post-sale service and technological development of a wide variety of petroleum equipment. Besides OCTG, we provide our customers with other drilling and oil recovery equipment like fishing tools, cementing tools, workover rigs, pumping units and OCTG accessories. The striving target of our company is "Prestige first, Quality supreme; The shortest delivery time, The lowest price, The best quality". Customers' needs are our first priority and customer satisfaction is the bottom line by which we measure our success.
Contact Us
- Sinotai Petroleum Equipment Co., Ltd.
- Contact nameHerish Kuo Chat Now
- Phone86-546-8300512
- AddressNo. 107, Bldg. 45, Gaoerfu, Wanda, Dongcheng
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