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GMW16551

Metric Screw Threads

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Organization: GMW
Publication Date: 1 August 2018
Status: active
Page Count: 7
scope:

Purpose. This standard specifies the characteristics of external and internal metric screw threads.

Applicability. This specification applies to both internally and externally threaded product of size listed in Appendix B, Table B1 and Appendix C, Table C1 for thread sizing and gauging. For externally threaded product, Table 1 is used to qualify thread damage of virgin fasteners for meeting product quality.

Document History

GMW16551
August 1, 2018
Metric Screw Threads
Purpose. This standard specifies the characteristics of external and internal metric screw threads. Applicability. This specification applies to both internally and externally threaded product of...
GMW16551
August 1, 2015
Metric Screw Threads
Introduction Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take...
GMW16551
August 1, 2013
Metric Screw Threads
This standard specifies the characteristics of external and internal metric screw threads.
GMW16551
June 1, 2011
Metric Screw Threads
This standard specifies the characteristics of external and internal metric screw threads.

References

This document references:
ASME B1.16M - Gages and Gaging for Metric M Screw Threads
Published by ASME on January 1, 1984
This Standard provides essential specifications and dimensions for the gages used on M series metric screw threads, and covers the specifications and dimensions for the thread gages and measuring...
This document references:
ASME B1.3 - Screw Thread Gaging Systems for Acceptability: Inch and Metric Screw Threads (UN, UNR, UNJ, M, and MJ)
Published by ASME on October 12, 2007
This Standard presents screw thread gaging systems suitable for determining the acceptability of UN, UNR, UNJ, M, and MJ screw threads on externally and internally threaded products. It establishes...
This document references:
GMW25 - Mechanical Properties and Material Requirements for Externally Threaded Fasteners
Published by GMW on July 1, 2020
This specification defines the mechanical and material requirements for externally threaded fasteners sized M39 and smaller. This specification is based on ISO 898-1. However, only Property Class...
This document references:
GMW3059 - Restricted and Reportable Substances
Published by GMW on March 1, 2018
Material Description. This specification, and the associated CG4110, provides the GM requirements regarding substances whose use in materials and components have been identified by one or more...
This document references:
ISO 1502 - ISO General-Purpose Metric Screw Threads - Gauges and Gauging
Published by ISO on February 1, 1996
This International Standard gives details for the manufacture and use of gauges for checking ISO general-purpose metric screw threads with a basic profile in accordance with ISO 68. It specifies the...
This document is referenced by:
GMW17796 - Barrier Coatings for Galvanic Corrosion Applications
Published by GMW on May 1, 2019
Note: This standard describes the requirements for a coating system used to mitigate or eliminate galvanic corrosion between dissimilar metals and carbon fiber, especially threaded fastened joints....
This document is referenced by:
GMW14149 - Fastening Requirements for Supplier Component and Subassembly Sourcing
Published by GMW on February 1, 2020
Purpose. This specification defines the minimum fastening requirements for components, assemblies and subassemblies that are supplied to GM through the Statement of Requirements (SOR) process at all...
This document is referenced by:
GMW16457 - Non-Propriety (NP) Point for External Metric Thread, Coarse Pitch Fasteners
Published by GMW on March 1, 2021
Purpose. This point is offered as an alternative to the M point (GMW3362), which is the GM Fastening Engineering approved strategy to prevent cross threading occurrences of externally threaded...
This document is referenced by:
GMW16458 - Metric Hexagon Bolts with Heavy Flange and M-Point, Product Grade A
Published by GMW on May 1, 2019
Introduction Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take...
This document is referenced by:
GMW3359 - Non-Electrolytically Applied Zinc-Rich Coating
Published by GMW on March 1, 2020
This standard covers the basic requirements for a corrosion resistant non-electrolytically applied zinc-rich coating. Besides corrosion protection, the coating also provides consistent frictional...
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