ASME B18.2.2-2022 通用螺母：机螺钉螺母；以及六角、方头、六角法兰和 coupling 螺母（英制系列）

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AN AMERICAN NATIONAL STANDARD

ASME B18.2.2-2022

(Revision of ASME B18.2.2-2015)

Nuts for General

Applications: Machine

Screw Nuts; and Hex,

Square, Hex Flange,

and Coupling Nuts

(Inch Series)

ASME B18.2.2-2022

(Revision of ASME B18.2.2-2015)

Nuts for General

Applications: Machine

Screw Nuts; and Hex,

Square, Hex Flange,

and Coupling Nuts

(Inch Series)

AN AMERICAN NATIONAL STANDARD

Two Park Avenue • New York, NY • 10016 USA

Date of Issuance: March 11, 2022

This Standard will be revised when the Society approves the issuance of a new edition.

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go.asme.org/B18committee as they are issued.

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The American Society of Mechanical Engineers

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THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

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摘要：

ASME B18.2.2-2022 是美国机械工程师协会发布的英制系列通用螺母最新标准规范，涵盖机螺钉螺母、六角螺母、方头螺母、六角法兰螺母以及 coupling 螺母的尺寸、技术要求和验收准则。该标准为机械设计、紧固件制造、装配与质量控制提供了权威参考，确保螺母与螺栓的螺纹配合精度与承载性能符合英制系列的统一规范。适用于航空航天、汽车、重型设备及一般工业领域，帮助工程师识别不同螺母类型（如方头与六角法兰的区别）并选用正确规格。了解 ASME B18.2.2-2022 有助于企业提升产品合规性，

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ASME B18.2.2-2022 通用螺母：机螺钉螺母；以及六角、方头、六角法兰和 coupling 螺母（英制系列）

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