API 7-2 NC10 Rotary Shouldered Connection Thread Gauges Master & Working Gauge Manufacturer
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Highlight
API thread gauge with certification
,NC10 master thread gauge
,Numbered connection thread gauge
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WarrantyOne Year
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MeasurementAPI Numbered Connections(NC) Thread Gauge
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StandardAPI Spec 7-2
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Hardness60-63HRC
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Applicable MediumMud, Water, Natural Gas
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Form Of Angle60°
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Form Of Thread InspectedV-0.055
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CustomizedAcceptable
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Place of OriginShaanxi, China
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Brand NameKM
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CertificationISO DIN GB RoHS
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Delivery TimeWithin 15days
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Payment TermsT/T,L/C,D/P,D/A,PayPal,etc.
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Supply Ability50000pieces/Month
API 7-2 NC10 Rotary Shouldered Connection Thread Gauges Master & Working Gauge Manufacturer
API 7-2 NC10 Rotary Shouldered Connection Thread Gauges Master & Working Gauge Manufacturer
Description:
API Spec 7-2 NC10 Numbered Connection thread gauges are professional rotary shouldered connection measuring tools strictly manufactured in compliance with API Spec 7 2 standard.
Numbered Connection Gauges is used for thread dimension inspection and tolerance verification of drill pipe, drill collar and other oilfield drilling components.
Widely used in petroleum machinery, OTCG&drill tool manufacturing plants, oilfield service enterprises, and third party testing laboratories.
Numbered Connections Rotary Shoulder Thread Working/Master Ring and Plug Gauges are made of GCr15 tool steel with hardness reaching 60 63HRC, delivering high wear resistance, stable dimensional accuracy and long service life. Every gauge is fully inspected and supplied with official calibration certificate before shipment.
Available variants: Working gauge or Master gauge; Ring gauge, Plug gauge or complete Ring & Plug gauge set. Some corresponding thread sizes are interchangeable with legacy IF drill string connections.
Quick Detail:
1. Standard: API Spec 7-2
2. Material: GCr15
3. Hardness: 60-63HRC
4. Come with calibration certificate
When you order, please specify the following information:
1. Type and Sizes of connections
2. Master gauge or working gauge
3. Ring or plug or set
Specification:
Number Style Gauge
| Size | Form of Thread Inspected | Pitch per 25.4mm | Taper | Form of Angle | Basic Pitch Dia |
| NC10 | V-0.055 | 4.233(6) | 1:8 | 60° | 27.000 |
| NC12 | V-0.055 | 4.233(6) | 1:8 | 32.131 | |
| NC13 | V-0.055 | 4.233(6) | 1:8 | 35.331 | |
| NC16 | V-0.055 | 4.233(6) | 1:8 | 40.869 | |
| NC23 | V-0.038R | 6.350(4) | 1:6 | 59.817 | |
| NC26(2 3/8 I F) | V-0.038R(V-0.065) | 6.350(4) | 1:6 | 67.767 | |
| NC31(2 7/8 I F) | V-0.038R(V-0.065) | 6.350(4) | 1:6 | 80.848 | |
| NC35 | V-0.038R | 6.350(4) | 1:6 | 89.687 | |
| NC38(3 1/2 I F) | V-0.038R(V-0.065) | 6.350(4) | 1:6 | 96.723 | |
| NC40(4 FH) | V-0.038R(V-0.065) | 6.350(4) | 1:6 | 103.429 | |
| NC44 | V-0.038R | 6.350(4) | 1:6 | 112.192 | |
| NC46(4 I F) | V-0.038R(V-0.065) | 6.350(4) | 1:6 | 117.500 | |
| NC50(4 1/2 I F) | V-0.038R(V-0.065) | 6.350(4) | 1:6 | 128.059 | |
| NC56 | V-0.038R | 6.350(4) | 1:4 | 142.646 | |
| NC61 | V-0.038R | 6.350(4) | 1:4 | 156.921 | |
| NC70 | V-0.038R | 6.350(4) | 1:4 | 179.146 | |
| NC77 | V-0.038R | 6.350(4) | 1:4 | 196.621 |
Packing & Shipping:
Company profile:
Applications:
NC10 numbered connection working gauge are mainly used in the petroleum oil and gas industry.
Precautions:
1. It is not allowed to touch the working surface of the gauge with your hands, so as not to cause rust.
2. Inspect regularly to see if there is any damage, rust or deformation. If you find that the gauge begins to rust,
you should put it in gasoline and soak it for a period of time, then take it out and wipe it carefully, and apply anti-rust oil.
3. Do not save the working surfaces of the two gauges together, otherwise the two working surfaces
will be glued to each other, and the gauge will be unnecessarily damaged when separated by external force.
4. After used the threaded gauges, it should be wiped clean and stored under dry condition.
FAQ:
Q1: Does each gauge come with a calibration certificate?
A: Yes. All gauges pass full inspection before shipment and are supplied with official calibration certificates.
Q2: What sizes of NC rotary shouldered thread gauges can you supply?
A: Full NC series available including NC10, NC12, NC13, NC16, NC23, NC26, NC31, NC35, NC38, NC40, NC44, NC46, NC50, NC56.
Q3: Can your gauges replace PMC-Lone Star, GSG and TESCO thread gauges?
A: Yes. Our API 7-2 NC gauges are equivalent alternatives for PMC-Lone Star, GSG and TESCO rotary shouldered connection gauges.
Our products are sold all over the world, you can rest assured.
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