• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

When using fasteners, such as nuts, it is crucial to understand their dimensions grades and classes to guarantee that they are suitable for the intended use.

This article will explore the various properties of fasteners and help someone navigate the process of selecting the right fasteners for your project .

Measurements of Fasteners

A important measurement of fasteners includes the diameter, length, thread pitch, and other specific measurements .

A diameter of a fastener is its outer dimension, while the measurement from the top of the head to the bottom of the thread is the main measurement. Thread pitch, also known as the pitch of the thread is the gap between two corresponding points .

Other measurements may include the diameter of the shank, the width of the top, and the depth of the base.

Types of Fastener Dimensions

1 Unified Fasteners: These are the most commonly used fasteners in the world and include dimensions such as diameter, length, thread pitch, and other specifications.
2 SAE Fasteners: дюбель гвоздь с резьбой These fasteners are known for their strength and are often used in heavy-duty applications.
3 ISO Fasteners: These fasteners are commonly used in international applications and are made to meet specific standards .

Grades of Fasteners

The grade of a fastener refers to its strength . The most common grades include :

1 Grade 2: This is a basic fastener suitable for most applications .
2 Grade 5: This fastener offers strong durability and is often used for outdoor applications.
3 Grade 8: This is a high-strength fastener suitable for industrial applications.
4 Grade A: This fastener has a high-strength thread for use in heavy-duty applications.

Classes of Fasteners

A class of a fastener refers to its corrosion resistance. The most common classes include :

1 Class 1A: This is a low-finish surface that requires minimal finishing .
2 Class 1B: This fastener has a better surface finish and is suitable for applications where high accuracy is required.
3 Class 2A: This fastener has a higher surface finish and is suitable for applications where high accuracy is required .
4 Class 2B: This fastener has the best surface finish and is suitable for applications where extreme corrosion resistance is required .

Things to Think About When Selecting Fasteners

In order to ensure selecting fasteners, you should consider several factors , including:

1 Application : The type of fastener required will depend on the intended use, including the load it will need to withstand .
2 Properties: Different materials , such as steel , alloy, or nylon , will have different characteristics and should be selected based on their suitability for the application.
3 Durability: Fasteners should be selected for their corrosion resistance to meet commercial standards.
4 Compliance: Fasteners should be selected to meet specific standards , such as ISO .

Summary

Selecting the right fasteners for your project can seem daunting , but understanding the dimensions, grades, and classes of fasteners can help make informed decisions.