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Hex Head Cap Screws

Hex Head Cap Screw Sizes
• #00 - 4"
• M1.2 - M100

Hex Head Cap Screw Specifications
• ASME B18.6.3
• DIN 931 / ISO 4014
• DIN 933 / ISO 4017
• DIN 961 / ISO 8676

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Hex Head Cap Screws

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What is Hex head cap screws?

Hex head cap screws, also known as hex bolts, are a type of fastener that is commonly used in construction, automotive, and industrial applications. They are characterized by their hexagonal head, which is designed to be tightened or loosened using a wrench or socket.

Hex head cap screws are typically made from steel or stainless steel and are available in a range of sizes and lengths to suit different applications. They are often used to secure two or more objects together, such as attaching a machine to a base or securing a bracket to a wall.

Hex head cap screws are designed to be stronger and more reliable than other types of fasteners, such as screws or nails, and are often preferred in applications where strength and durability are important.

Hex Head Cap Screw Specifications

Hex head cap screws are used in a wide range of applications, from machinery to automotive to construction. The specifications of a hex head cap screw will vary depending on the specific application, but here are some general specifications to keep in mind:

  1. Size: Hex head cap screws come in a variety of sizes, ranging from small screws used in electronics to large bolts used in construction. The size is usually indicated by the diameter of the screw and the thread pitch.

  2. Material: Hex head cap screws can be made from a variety of materials, including steel, stainless steel, titanium, and brass. The material will depend on the specific application and the environmental conditions that the screw will be exposed to.

  3. Thread: Hex head cap screws can have a range of thread types, including coarse, fine, and extra fine. The thread type will depend on the size of the screw and the application it will be used in.

  4. Strength: The strength of a hex head cap screw is usually indicated by the grade or class of the screw. The most common grades for steel screws are Grade 5 and Grade 8, which have different levels of strength and hardness.

  5. Finish: Hex head cap screws can have a variety of finishes, including black oxide, zinc-plated, and galvanized. The finish will depend on the application and the desired level of corrosion resistance.

When selecting a hex head cap screw, it is important to consider all of these specifications and choose a screw that is appropriate for the specific application.

Hex Head Cap Screw Sizes
•  #00 - 4"

•  M1.2 - M100 

Hex Head Cap Screw Specifications
•  ASME B18.6.3
•  DIN 931 / ISO 4014
•  DIN 933 / ISO 4017
•  DIN 961 / ISO 8676 

Hex Head Cap Screws vs hex head bolts

Hex head cap screws and hex head bolts are both types of fasteners that have a hexagonal head and are tightened with a wrench. However, there are some key differences between them.

Hex head cap screws have a washer face under the head that distributes the load when tightened. They are typically used in applications where a tight, secure joint is needed, such as in machinery or automotive applications.

Hex head bolts, on the other hand, do not have a washer face under the head and are often used with a separate washer to distribute the load. They are typically used in applications where the joint will be taken apart and reassembled multiple times, such as in construction or woodworking.

In general, hex head cap screws are stronger and more secure than hex head bolts due to the washer face and the fact that they are designed for a specific application. However, both types of fasteners can be used in a wide range of applications depending on the specific needs and requirements.



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