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What are the types of internal expansion bolts?

Drop in anchor mainly include the following types: ‌ Carbon Steel drop in anchor Suitable for fastening hard materials such as concrete, stone and steel, which is the most common type. ‌ Stainless steel drop in anchor Suitable for occasions that require rust and corrosion resistance, such as mari... Read More

Do you know the advantages and disadvantages of Carbon Steel and Stainless Steel

Advantages of Carbon Steel High Strength: Carbon steel can achieve higher strength by increasing the carbon content. Low Cost: Carbon steel is cheaper to produce than stainless steel. Easy to Process: Carbon steel is easy to cut, weld and form. Disadvantages of Carbon Steel Corrosion: Carbon stee... Read More

How to choose drop in anchor?

How to choose the material of the drop in concrete anchors? The material of the drop in anchor is usually galvanized carbon steel drop in anchor or stainless steel drop in anchor. Galvanized carbon steel drop in anchor is more economical, but not corrosion-resistant; stainless steel drop in ancho... Read More

How to judge the quality of carbon steel wedge anchor through bolt?

1. Look at the concrete wedge anchors material High-quality wedge anchor bolts should be made of high-strength steel. Although iron expansion screws are cheap, they are easy to rust: stainless steel wedge anchor have better anti-rust performance. When choosing, you should choose the right materia... Read More

Can stainless steel chemical anchors be bent? What are the precautions for bending stainless steel chemical anchors?

Stainless steel chemical anchors can be bent Stainless steel chemical anchor bolts have high strength and hardness, but also have a certain toughness. Therefore, the feasibility of bending stainless steel chemical anchor bolts exists, but some details and key points need to be paid attention to. ... Read More

Chemical anchor setting time

The setting time of chemical anchors depends on various factors, the most important of which are the ambient temperature and humidity. Generally, the higher the temperature, the shorter the setting time, and the higher the humidity, the longer the setting time. In addition, the thickness and size... Read More

How long is the service life of chemical anchor bolts?

The durability of chemical anchors is usually 10 to 20 years, depending on the material, installation environment and frequency of use of the anchors. The service life of stainless steel chemical anchors can generally reach 20 years, while the service life of carbon steel chemical anchors is usua... Read More

Difference between blue white zinc plated chemical anchor bolts and white zinc plated chemical anchor bolts

chemical anchor bolts From a process perspective The processing of white zinc plating and blue-white zinc plating is slightly different. White zinc plating mainly forms a dense zinc layer on the surface of the chemical anchor bolt by electrolysis to improve its anti-corrosion performance. Blue-w... Read More

Chemical anchor bolts’ requirements for concrete

chemical fixings Concrete strength requirements Chemical anchor bolts are a type of connection and fixing parts used in concrete structures, so concrete strength is one of the important considerations. Ordinary chemical anchor bolts generally require the concrete strength grade to be no less than... Read More

Which type of stainless steel chemical anchor bolt is the best?

304 stainless steel chemical anchor bolt 304 stainless steel is one of the most common stainless steels and is widely used in construction, kitchenware and other fields. This stainless steel model contains 18% chromium and 8% nickel, and has good corrosion resistance, machinability, toughness and... Read More

How to identify the authenticity of chemical anchors?

First of all, when purchasing chemical anchors, you should pay attention to the quality of the materials. High-quality chemical anchors are usually made of high-quality alloy steel materials, which have high hardness and corrosion resistance, and can ensure the stability and durability of the pro... Read More

How to choose black threaded rod and galv threaded rod？

Depends on usage and environment black threaded rod black oxide threaded rod are suitable for environments with special requirements, such as use under high temperature, strong acid and alkali conditions, and require bolts with higher strength and anti-thread slippage ability. In addition, black... Read More
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