Wholesale Zinc Plated Bolts

Other Bolts have different heads such as T-head bolts, Square head bolts, Ball head bolts, Oval Head bolts, Plum head bolts, Anchor bolts, and so on. Although they are different from the heads, but all of them are have the thread. They are used to fasten the products. All of them with different heads have the different uses.

And they are usually customized we manufacture them according to customer's drawings.


 Half Thread (Partial Thread) , Full Thread.


 DIN, ASTM/ANSI, JIS, ISO, GB and so on.


 Dia M5 - M16 & Lengths 10mm - 140mm


 Metric Coarse & Fine


 Property Class 4.8, 8.8, 10.9, 12.9


 Q195, 35K, 10B21,40Cr, 35CrMo, Stainless

Surface Treatment

 Plain, Zinc Plated & Zinc Yellow, Blackening, Ni Plated, Dacromet, Glued Anti-Loosing

Taizhou First Rivet Co.,Ltd.
As a famous Threaded Bolts Custom and Wholesale Zinc Plated Bolts,Taizhou First Rivet Co.,Ltd. founded in 1991, is a specializes in researching, developing, producing and selling bolts and rivets manufacturers and factory. It covers an area of 13,834 square meters and has convenient transportation.

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Our main customers are domestic first-class and second-class OEM suppliers, and our automobile hollow rivets and other products are exported to
Europe, America,the Middle East, Africa, Southeast Asia and more than 20 countries.

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Industry Knowledge Extension

How do Choose the Right Bolt for My Application?

Choosing the right bolts for your specific application is crucial to ensure a strong and secure connection. When making your decision, there are several factors that you should consider.

(1)Material: The first factor to consider when choosing a bolt is the material it is made of. Common materials for bolts include steel, stainless steel, brass, and titanium, among others. The material you choose will depend on the application and the environment in which the bolt will be used. For example, if the bolt will be exposed to high levels of moisture, a stainless steel or brass bolt may be a better choice than a steel bolt, which is more susceptible to rust and corrosion.

(2)Strength: The strength of the bolt is another critical factor to consider when choosing a bolt. The strength of the bolt is typically measured in terms of its tensile strength, which is the maximum amount of stress the bolt can withstand before breaking. The higher the tensile strength of the bolt, the stronger it will be. When selecting a bolt, you should choose one with a tensile strength that is appropriate for your application.

(3)Size: The size of the bolt is also essential when selecting a bolt. Bolts are available in a range of sizes, with different diameters and lengths. The size you choose will depend on the application and the size of the components that you need to connect. Be sure to choose a bolt that is the right size for your application to ensure a secure connection.

(4)Thread type: The thread type of the bolt is another factor to consider when choosing a bolt. Bolts can have either coarse or fine threads, and the thread type can affect the strength and stability of the connection. Coarse threads are generally stronger and more stable than fine threads, but they may be more challenging to install. Fine threads are easier to install but may not provide the same level of strength and stability.

(5)Head type: The head type of the bolt is also essential when choosing a bolt. Bolts can have a range of head types, including hex head, square head, and round head, among others. The head type you choose will depend on the application and the tools you have available for installation. Be sure to choose a bolt with a head type that is appropriate for your application and that you have the necessary tools to install it properly.

(6)Environmental factors: The environment in which the bolt will be used is also a critical factor to consider when choosing a bolt. Factors such as temperature, moisture levels, and exposure to chemicals can all affect the performance of the bolt. Be sure to choose a bolt that is appropriate for the environmental conditions in which it will be used to ensure a secure and reliable connection.

How to Properly Install Bolts?

Proper installation of bolts is crucial to ensuring the safety and reliability of structures and equipment. Whether you're working on a construction site, assembling machinery, or making repairs, it's important to follow the right procedures to install bolts correctly. Here are some steps to follow when installing bolts:

(1)Choosing the Right Bolt

This can depend on a number of factors, such as the material being joined, the load requirements, and the environmental conditions. For example, if you are joining two pieces of steel, you may want to use a high-strength steel bolt, such as a Grade 8 bolt, which is designed to withstand high loads and stresses. If you are working in a corrosive environment, you may want to use a stainless steel bolt, which is resistant to rust and corrosion.

(2)Preparing the Components

Make sure that the surfaces of the components are clean, free of debris, and properly aligned. Any misalignment can cause the bolt to bind or cross-thread during installation. If necessary, use a wire brush or sandpaper to remove any rust, paint, or other coatings from the surfaces of the components.

(3)Inserting the Bolt

When inserting the bolt, make sure that it is straight and not at an angle. If the bolt is inserted at an angle, it can cause the threads to bind or cross-thread, which can lead to a weakened connection. Thread the bolt in by hand until it is snug, but do not tighten it all the way. This will allow you to make any necessary adjustments to the alignment of the components before tightening the bolt.

(4)Tightening the Bolt

It is important to use a torque wrench to tighten the bolt to the specified torque value. Tightening the bolt too much can cause it to strip or break, while not tightening it enough can cause it to loosen and fail over time. Make sure to follow the torque specifications provided by the manufacturer.

(5)Checking for Proper Tension

After tightening the bolt, it is important to check the tension using a tension-measuring device. The device will measure the amount of tension on the bolt, which should be within the recommended range for the application. If the tension is too low, the bolt may not be strong enough to withstand the loads and stresses it will encounter. If the tension is too high, the bolt may be at risk of breaking or stripping.

(6)Verifying the Connection

After installation, it is important to check the connection periodically to ensure that it remains secure and tight. Any signs of looseness or movement should be investigated and addressed promptly.

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