100mm hex nut bolt

Types of 100mm hex nut bolts

Hex nut bolts are fasteners that play a very important role in securing and fastening components. Nut bolts come in different types with various 100 mm specifications depending on the requirements.

• Carbon steel hex nut bolts

  A carbon steel hex nut bolt is built with strong and sturdy carbon steel. Carbon steel hex nut bolts are perfect for tasks that require great strength and durability. Because of the strength of the material, these nut bolts are perfect for use in heavy machines and structural applications. Carbon steel is used in many industries because it is not as expensive as some other steel forms.

• Stainless steel hex nut bolts

  Stainless steel hex nut bolts are made of stainless steel, an alloy of steel, nickel, and chromium. The composition of these materials makes them corrosion-resistant. Stainless steel hex nut bolts are ideal for applications where moisture, chemicals, or outdoor conditions are likely to be encountered. Stainless steel also provides a very sleek finish, thus increasing its aesthetic value. This kind of nut bolt is widely used in the marine, food processing, and chemical industries.

• Alloy steel hex nut bolts

  Alloy steel hex nut bolts are made of alloy steel. Alloy steel is steel that has been mixed with other materials to enhance its properties. What characteristics? You may ask. The other materials added to the steel strengthen the hex nut bolts and give them added tensile strength. This allows them to be used in aerospace, and high-stress mechanical engineering applications and under extreme temperatures.

• Brass hex nut bolts

  Brass hex nut bolts are built from brass, which is an alloy of copper and zinc. Brass bolts are moderately strong and corrosion-resistant. Their corrosion resistance is quite notable since they are not as chemically reactive as other metals. Hence, brass bolts are ideal for electrical applications and environments prone to moisture, such as marine applications. Brass also has the added advantage of being non-magnetic. This makes it ideal for sensitive electronic components.

• Grade 5 steel hex nut bolts

  Grade 5 steel hex nut bolts are hardened car bolts usually with a finish of either zinc or cadmium. The bolts’ hardness and tough tensile make them suitable for medium-stress mechanical applications. They can also be used for automotive and engineering applications. Grade 5 hex bolts have three radial ridges and are stronger than Grade 2 but not as strong as Grade 8.

• Grade 8 steel hex nut bolts

  Grade 8 is the highest grade in steel hex nut bolts. To make them stronger, they are made of hardened steel with a finish of yellow-zinc chromate. Their high tensile strength makes them an ideal choice in situations where extreme loads, stresses, and associated risks are a concern. They are perfect for heavy machinery, trucks, and construction equipment. Their distinctive feature is that they have six radial ridges and are among the strongest bolts when it comes to mechanical fastenings.

What makes a 100mm hex nut bolt durable

• High-quality materials

  A 100mm hex nut bolt is usually made from premium quality steel, such as carbon steel, alloy steel, or stainless steel. These materials have incredible tensile strength and hardness, which make them bear incredible loads and withstand deformation in challenging environments. For nut bolts used in specific industry requirements, such as petroleum or marine, high-quality alloys are employed.

• Heat treatment

  Durability is added through heat treatment processes such as tempering and hardening. By hardening the steel surface layer, the hex nut bolt can be more resistant to abrasive wear. Tempering reduces hardening brittleness by giving the steel flexibility. These processes ensure that the nut bolt remains tough and durable at extreme temperatures.

• Corrosive resistant coating

  Since corrosion is the main destroyer of metals, a hex nut bolt’s durability can be decidedly enhanced with anti-corrosive coatings such as zinc plating, galvanizing, or black oxide. Most coatings serve a dual purpose: they not only protect against corrosion but also against chemical reactions with acids, alkalis, or salts that are commonly experienced in industrial environments. For marine applications, you will find stainless steel or chrome plating due to their superior resistance to saltwater and moisture.

• Precision machining

  A 100mm hex nut bolt is designed for precision. The process of making such a bolt ensures that both the bolt and the nut interfaces have compatible and smooth mating surfaces. Generally, machining improves mechanical durability as it minimizes wear during fastening and in conditions where mechanical vibrations are normally experienced. This wear can lead to elongation and deformation and eventually failure.

• Finishing techniques

  Other than coating, finishing methods such as chrome or nitride give the hex nut bolt surface treatment that minimizes abrasive wear. These finishes make the surface smoother, thus reducing friction whenever the bolt is fastened or comes into contact with other components. Less friction translates to less heat generation and wear, which extends the nut and bolt's life span, especially in repetitive or high-torque situations.

• Grade and standards

  Higher-grade bolts are made in accordance with internationally accredited standards; hence, they are durable and stronger in structural applications. For instance, a Grade 5 or Grade 8 hex nut bolt is suitable for automotive and mechanical engineering applications to make long-lasting, highly-rated mechanically secure connections. Standards compliance also ensures that the bolt can withstand the long-term stress and load characteristic of heavy-duty applications.

How to choose a 100mm hex nut bolt

• Material

  Hex nut bolt materials should be determined based on the environmental conditions and the load bearing. Commonly, carbon steel is used for general fastening. For environments likely to have chemicals or moisture, choose stainless steel. For extreme mechanical stress, opt for alloy steel. For electrical components, consider brass due to its non-magnetic properties.

• Tensile strength

  The tensile strength of a material is the maximum amount of stress a material can take before it breaks. So, a nut bolt with high tensile strength is ideal for heavy-duty applications. For high tensile strength, look for materials such as grade 8 bolts. Also, heat-treated bolts have higher tensile strength.

• Corrosion resistance

  If corrosion is a concern, consider a hex nut bolt with an anti-corrosive coating such as zinc plating or galvanizing. Alternatively, go for corrosion-resistant materials such as stainless steel or brass. For marine applications, a stainless steel hex nut bolt is one of the best options.

• Coating and finishing

  Certain coatings and finishing methods improve the performance of the hex nut bolt in wear and corrosion, as already discussed. For example, chrome finishing minimizes abrasion. Zinc and galvanizing improve corrosion significantly. If the application is for mechanical engineering, a chemically resistant coating may be necessary.

• Size and length

  The hex nut bolt must fit the fastening requirements. The bolt’s thread length and diameter must correspond with the nut and hole in the components. A 100mm length means the bolt is suitable for thick components or provides deep fastening in extended applications. For general fastening, the 100mm may be too much, and shorter lengths should be considered.

• Standards and specifications

  These are crucial when it comes to heavy-duty applications. Ensure that the nut bolt adheres to mechanical or industrial fastening standards. Usually, higher grade bolts hold the specific standards to be used in automotive or aerospace. Do not ignore coatings that may be necessary to comply with specific industry standards.

• Head and drive type

  Hex bolts have a head that is designed to be gripped by a wrench or socket, making them easy to tighten or loosen. Because of this, they are suitable for areas with limited space. They are also relatively easy to fasten using a wrench or power tools. Machine bolts, on the other hand, have a flat or rounded head with a square or hexagonal section designed to fit into a pre-drilled square hole in a nut or other component. This type of head is designed to eliminate lateral load on the nut and provide a flush finish with the surface.

Q&A

Q1: What's the common application of a hex nut bolt?

Hex nut bolts are used where mechanical fastening is required, and materials have to be joined in constructions, mechanical machinery, and vehicles.

Q2: What's the difference between a bolt and screw?

A bolt usually has a flat or hex head with a uniform shank and screw-like threads at the other end. A screw, on the other hand, has a pointed end for piercing and is mostly tapered with varying diamities.

Q3: What is a hex nut bolt?

A hex bolt is a type of fastener with a six-sided head to be used with a nut and a washer in mechanical applications. A nut bolt is a combination of a bolt and nut working together as a single piece.

Q4: Is there a difference in stainless steel bolts and regular steel bolts?

Yes, stainless steel bolts are corrosion resistant due to the addition of chromium. Regular carbon steel bolts, on the other hand, will corrode when exposed to moisture and environmental elements.