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The major diameter is the diameter of the crest of the thread. Use a Vernier gage and mesure the diameter of the crest points of contact ( maximum external thread diameter). Unified National thread series defines the expected major diamter and tolerance.
For internal threads ( nuts) the major diameter is the diameter of the roots of the thread.
Wiki User
∙ 13y ago
Wiki User
∙ 9y agoNot an easy task. You could use appropriately pointed engineering calipers, but that would only give you one measurement at a time. If the purpose of your task is because of a perceived defect in the internal thread, then that could be determined (to exist) by the insertion of a male thread.
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What is screw thread micrometer?
This is a tool that is used to measure the pitch diameter of a screw. This tool looks like a standard micrometer except that the anvils are specially configured to reach into the screw thread groove and touch the pitch diameter of the screw thread. The screw thread micrometer does not measure any other aspect of the screw thread. It does not measure the: pitch; threads-per-inch; major diameter; minor diameter; flank angles; lead; helix angle.
What is the Mechanism of floating carriage diameter measuring machine?
floating carriage diameter measuring machine is design to have accurate of major,minor and pitch diameters of precision screw threads as well as those of odd flutes screw taps.
What are Types of companion flanges in automobiles?
There are two major known types of companion flanges. The internal and external pilots which are a type ''S'' and '' A'' respectively.
What are PG threads?
* World-wide most commonly used type thread * Characterized by its major diameter and its pitch * Designated by the letter M followed by the value of the nominal diameter and the pitch, both expressed in millimetres and separated by the multiplication sign '×' * NPT Thread = National Pipe Thread* Taper rate for all NPT threads is 1/16* The taper on NPT threads allows them to form a seal when torqued as the flanks of the threads compress against each other, as opposed to straight thread fittings* PG Thread = Panzer-Gewinde (also Panzer-Rohr-Gewinde) * German thread type * Depth of thread smaller than NPT or Metric, but larger flank angle Part Number Index sorted By Thread Types & Sizes: Metric Threads NPT Threads PG Threads ---- TORQUE RECOMMENDATIONS FOR STRAIN RELIEF FITTINGSTorque in inlb (Nm)METAL STRAIN RELIEF FITTINGS PLASTIC STRAIN RELIEF FITTINGS DOME NUTS THREAD AND LOCK NUTS DOME NUTS THREAD AND LOCK NUTS PG 7, M12x1.5 36.9 (4.17) 55.3 (6.25) 14.4 (1.62) 22.1 (2.50) PG 9, PG 11, M16, PG 13.5, 3/8" NPT, 1/2" NPT, M16x1.5, M20x1.5 36.9 (4.17) 55.3 (6.25) 22.1 (2.50) 33.2 (3.75) PG 16, 1/2"NPT-E 44.2 (5.00) 66.4 (7.50) 29.5 (3.33) 44.2 (5.00) PG 21, PG 29, PG 36, PG 42, PG 48, 3/4"NPT, 1"NPT, 1-1/4"NPT, 1-1/2"NPT, M25x1.5, M32x1.5, M40x1.5, M50x1.5, M63x1.5 59.0 (6.67) 88.5 (10.00) 44.2 (5.00) 66.4 (7.50)Note: Torque for dome nuts was determined using a metal rod. It may vary for cable, depending on the crush resistance of the cable. We recommend to determine the actual torque empirically, testing the actual cable used. The values shown above are for reference only. Note: Nylon strain relief fittings installed in a threaded connection and exposed to elevated temperature should be retained with a sealant such as Locktite® to avoid a loose connection when temperature fluctuates. ---- Nema RatingsIP Ratings ---- provides cable products at competitive prices with exemplary customer service. Inventory in Excess of $25 Million allows the immediate shipment of almost all standard cable types and sizes. Cables, Wires & Accessories: Domestic & ImportedExclusive North American importer of HELUKABEL®. Approvals: RoHS, UL, CSA, Harmonized & CE. We offer cables for Power, Control, High/Low Temp., Hi-Flex, Robotic, Track, Servo, VFD, Composite, Ribbon, Data(CAT), Single Conductor, Etc! Plastic Enclosures: Indoor / Outdoor NEMA 4xExclusive importer of HENSEL ENCLOSURES. Industrial Strength, UV & Impact Resistant, Modular Expandable. Opaque/Transparent covers. Hinged! Exceptional Value! Accessories: DIN rails, Mounting plates, Terminal blocks, Hole plugs, Etc. International and Domestic Approvals. Aluminum Enclosures:CustomCustomize your own Control Solution Device with the following Cord Grips, Momentary Push Buttons, Etc. NEMA 4, 4x (IP66) We offer 1, 2 & 3 Button Solutions. Assembly at one low price. Pneumatics: Fittings, Flow Control Valves & AccessoriesCAMOZZI Pneumatic Automation Components. Our fittings range includes Nickel Plated Brass & Composite fittings with Metric or NPTF Threads, the patented & longstanding Pro-Fit® system, High Pressure Dual Seal fittings, etc..The range of Valves includes flow regulators, quick release valves, flow control valves, basic logic functions and silencers with different specifications in order to meet most requirements. ---- |Strain Relief Fittings & Accessories|Adapter, Enlarger, Reducer|Explosive Proof Fittings||Circular Connectors|Conduit System|Enclosures|Product Index|Search|Media||Site Map|Online Catalog|Company Overview|Contact|Privacy Policy|
In which age was the steam engine a major development?
In the 19th century
What is screw thread?
This is a tool that is used to measure the pitch diameter of a screw. This tool looks like a standard micrometer except that the anvils are specially configured to reach into the screw thread groove and touch the pitch diameter of the screw thread. The screw thread micrometer does not measure any other aspect of the screw thread. It does not measure the: pitch; threads-per-inch; major diameter; minor diameter; flank angles; lead; helix angle.
What is screw thread micrometer?
This is a tool that is used to measure the pitch diameter of a screw. This tool looks like a standard micrometer except that the anvils are specially configured to reach into the screw thread groove and touch the pitch diameter of the screw thread. The screw thread micrometer does not measure any other aspect of the screw thread. It does not measure the: pitch; threads-per-inch; major diameter; minor diameter; flank angles; lead; helix angle.
What is the difference between M8 x 1.25 6g and M8 x 1.25 6h?
Metric fastener size designation nomenclature. As fully explained in ISO 965-1, Sect. 5, metric fastener size designations always begin with capital M or MJ followed by fastener nominal diameter and thread pitch, both in units of millimeters (mm), separated by the symbol "x", as follows. M10 x 1.5-6g-S means metric fastener thread profile M, fastener nominal size (nominal major diameter) 10 mm, thread pitch 1.5 mm, external thread tolerance class 6g, and thread engagement length group S ("short"). If referring to internal thread tolerance, "g" would be capitalized. A fit between threaded parts is indicated by internal thread tolerance class followed by external thread tolerance class separated by a slash; e.g., M10 x 1.5-6H/6g.
What are the types of screw threads?
A thread may be either right-hand or left-hand. A right-hand thread on an external member advances into an internal thread when turned clockwise; a left-hand thread advances when turned counterclockwise. If a single helical groove is cut or formed on a cylinder, it is called a single-thread screw. Should the helix angle be increased sufficiently for a second thread to be cut between the grooves of the first thread, a double thread will be formed on the screw. Double, triple, and even quadruple threads are used whenever a rapid advance is desired, as on valves.Pitch and major diameter designate a thread. Lead is the distance advanced parallel to the axis when the screw is turned one revolution. For a single thread, lead is equal to the pitch; for a double thread, lead is twice the pitch. For a straight thread, the pitch diameter is the diameter of an imaginary coaxial cylinder that would cut the thread forms at a height where the width of the thread and groove would be equal.Thread forms have been developed to satisfy particular requirements. Where strength is required for the transmission of power and motion, a thread having faces that are more nearly perpendicular to the axis is preferred. These threads, with their strong thread sections, transmit power nearly parallel to the axis of the screw. (Sci-Tech Encyclopedia)For the source and more detailed information concerning your request, click on the related links section (Answers.com) indicated directly below this answer section.
What are the different types of screw thread?
A thread may be either right-hand or left-hand. A right-hand thread on an external member advances into an internal thread when turned clockwise; a left-hand thread advances when turned counterclockwise. If a single helical groove is cut or formed on a cylinder, it is called a single-thread screw. Should the helix angle be increased sufficiently for a second thread to be cut between the grooves of the first thread, a double thread will be formed on the screw. Double, triple, and even quadruple threads are used whenever a rapid advance is desired, as on valves.Pitch and major diameter designate a thread. Lead is the distance advanced parallel to the axis when the screw is turned one revolution. For a single thread, lead is equal to the pitch; for a double thread, lead is twice the pitch. For a straight thread, the pitch diameter is the diameter of an imaginary coaxial cylinder that would cut the thread forms at a height where the width of the thread and groove would be equal.Thread forms have been developed to satisfy particular requirements. Where strength is required for the transmission of power and motion, a thread having faces that are more nearly perpendicular to the axis is preferred. These threads, with their strong thread sections, transmit power nearly parallel to the axis of the screw. (Sci-Tech Encyclopedia)For the source and more detailed information concerning your request, click on the related links section (Answers.com) indicated directly below this answer section.
How do you read a screw thread call out?
This sounds like an easy question, but the answer depends on which type of thread call-out you are trying to read. There are multiple types of screw threads and each has its own call-out; but many are similar in syntax. The most common screw thread style in the USA is the UN-series. These screw threads are specified in ANSI/ASME B.1. An example of a UN-series thread call-out is: 1/4"-20 UNC-2A Decoded it is: Nominal Major Diameter (1/4")-Threads-per-inch (20) Type of thread (UN) Sub-thread-series (C)-Class-of-fit (2A) An example of the M-series thread call-out is: M16x1.5-6g Decoded it is: Type of thread (M) Nominal major diameter (16) Thread pitch (1.5) class-of-fit (6g) For more detailed information here is a link to a nice PDF book which gives very clear basic information on screw threads: http://www.ring-plug-thread-gages.com/ti_starret.pdf. I do hope that you found this information helpful.
What is diameter of M84 the galaxy?
Major Diameter (arcmin) : 6.5Minor Diameter (arcmin) : 5.6
What is the major materials of softball?
cork,thread, and leather (:
What is the major internal cause of slope failure?
The major internal cause of slope failure is gravity.
What is diameter of on-deck circle in Major League Baseball?
Five feet in diameter.
Diameter of a baseball?
A major league baseball is 73 to 76 millimetres in diameter.
What are the major and minor axes of an ellipse?
The major axes of an ellipse is its longest diameter. The minor axes, on the other hand, is the shortest diameter.
