Oilfield Drilling API NC56 Working Thread Gauge Set Rotary Shouldered Connection Ring & Plug Gauges Supplier
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Highlight
API NC56 thread gauge set
,rotary shouldered connection gauges
,oilfield drilling ring plug gauges
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StandardAPI Spec 7-2
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WarrantyOne Year
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Taper1:4
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Form Of Thread InspectedV-0.038R
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MeasurementAPI Numbered Connections(NC) Thread Gauge
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Applicable MediumMud, Water, Natural Gas
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Hardness60-63HRC
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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
Oilfield Drilling API NC56 Working Thread Gauge Set Rotary Shouldered Connection Ring & Plug Gauges Supplier
Oilfield Drilling API NC56 Working Thread Gauge Set Rotary Shouldered Connection Ring & Plug Gauges Supplier
Description:
API Spec 7-2 NC56 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:
NC56 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: What drilling tools can this gauge test?
A1: It is mainly used for thread inspection of drill pipes, drill collars and other rotary shouldered connection components.
Q2: How do you pack the precision gauges?
A2: All gauges are packed with anti-rust oil, professional inner box and export wooden case to avoid damage during transportation.
Q3: How to deal with rust on the thread gauge?
A3: Soak the gauge in gasoline, wipe it clean carefully, and then apply anti-rust oil for maintenance.
Our products are sold all over the world, you can rest assured.
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