8613230056222
darunfasteners@163.com
enLanguage
Search

Carton Steel Extension Hook Bolt

Home / Products / Expansion Hook Bolt / Carton Steel Extension Hook Bolt
Handan Darun Fastener Manufacturing Co., Ltd.: Your Professional Carton Steel Extension Hook Bolt Manufacturer!

 

The company started to set foot in the fastener industry in 1999, mainly engaged in expansion bolt products. In 2005, the company built its own factory building, covering an area of about 1,000 square meters, and put into operation the first batch of expansion bolt production equipment, and Taihang standard parts were formally established.

 
 

Why choose us?

 

 

Advanced equipment

Handan Darun Fastener Manufacturing Co., Ltd. is a modern fastener manufacturing and sales enterprise specializing in R&D, manufacturing and sales. It has advanced technical equipment and a strict product quality assurance system. It is committed to creating efficient, high-end and high-quality products and services.

 

Sales market

All domestic cities above the prefecture level have distribution warehouses, with an annual production and sales volume of 40,000 tons. Overseas South Korea, Canada, Dubai, and American countries have a large sales volume.

 

Quality control

The company has designated steel mills from the beginning of raw material selection, and the company produces all parts by itself, including surface treatment. The quality inspection department of every link completes in accordance with the testing standards, ensuring the stability and consistency of the products.

 

 

 
Benefits of Carton Steel Extension Hook Bolt
 
01/

High strength
Carbon steel has high tensile strength and is suitable for general industrial applications. Alloy steel offers even higher strength and wear resistance, making the wall anchor hook ideal for high-stress environments. Stainless steel, with its superior corrosion resistance, is perfect for humid or chemically corrosive environments.

02/

Corrosion resistance
Expansion bolt hooks exhibit excellent resistance to atmospheric and chemical corrosion. They can effectively prevent rusting and degradation even in environments with high humidity or acidic and alkaline conditions, ensuring long-term stable performance. Galvanized hooks also have good corrosion resistance.

03/

Temperature resistance
Anchor bolt hooks demonstrate excellent high-temperature performance, maintaining strength and stability at elevated temperatures. This makes them suitable for high-temperature industrial environments, such as power plants and chemical facilities.

04/

Good ductility
Carbon steel and alloy steel have good ductility, allowing them to withstand bending and tensile stresses during installation and use without brittle fracture. This ensures reliable connections in dynamic load conditions for the universal wall anchor hook.

 

Product Specifications

 

Size:

M6-M12 1/4"-1/2"

Material:

Q235 Mild Steel, Stainless steel(201 304 316)

Surface:

Blue White Zinc, Yellow Zinc Plating

Standard:

GB DIN BS ASTM

Suitable base materials:

C12/C 15 to C50/C60 concrete, natural dense stone.

 

 

Choosing the Right Carton Steel Extension Hook Bolt

When choosing a carton steel extension hook bolt, consider the following factors:

★Material: Decide between carbon steel for general use or stainless steel for corrosive settings.

★Size: Ensure compatibility with your application by selecting the appropriate thread size (e.g., M8 to M12).

★Load capacity: Match the bolt's rated capacity (typically 100–300 kg) to your project's demands.

★Surface treatment: Opt for zinc-plated or galvanized finishes if rust prevention is critical.

 

By understanding these attributes, you can make informed decisions that align with your project’s functional and safety requirements.

Grade 4.8 Hook Bolt

 

Packaging and Shipping

 

productcate-1-1

 

Certifications
 
 
productcate-1-1
productcate-1-1
productcate-1-1
productcate-1-1
productcate-1-1

 

 

FAQ

 

Q: What are the key components of an extension hook bolt?

A: The main components include the expansion shield (a metal sleeve), the hook bolt itself, a washer, and a hex nut. The shield is inserted into the pre-drilled hole, and the hook bolt, with its conical end, is threaded into it. Tightening the nut pulls the bolt, expands the shield, and creates the secure grip.

Q: What is the difference between a carbon steel and a stainless steel extension hook bolt?

A: Carbon steel extension hook bolts are typically zinc-plated for moderate corrosion resistance and are best suited for indoor, dry environments. In contrast, stainless steel hook bolts are highly corrosion-resistant and are the superior choice for outdoor, wet, or humid conditions.

Q: How is a carbon steel extension hook bolt installed?

A: Installation requires drilling a hole of the proper diameter and depth using a hammer drill. The hole must be cleaned of all dust and debris before inserting the anchor shield flush with the surface. The hook bolt is then threaded into the shield, and the nut is tightened to expand and set the anchor.

Q: What is the function of the expansion shield?

A: The expansion shield is the part of the anchor that grips the base material. As the hook bolt is tightened, its conical end pushes against the end of the shield, forcing it to expand outward and press firmly against the walls of the drilled hole, creating a powerful, reliable anchor point.

Q: Can extension hook bolts be used in hollow brick or block?

A: Extension hook bolts are designed primarily for solid materials like concrete and brick. While they can be used in some solid brick applications, they are not suitable for hollow brick or block, as the expansion mechanism requires a continuous, solid base material for a secure grip.

Q: What are the common applications for extension hook bolts?

A: Extension hook bolts are used for hanging a variety of items from concrete ceilings or walls. Common applications include suspending lighting fixtures, attaching chain barriers, hanging plants, securing safety fences, and installing awnings.

Q: How can I ensure a safe installation?

A: For a safe installation, use a hammer drill to create a clean, properly sized hole, and ensure all dust is removed. Do not over-tighten the nut, and always respect the manufacturer's recommended working load limit (WLL). Regularly inspect the anchor and suspended load for any signs of stress or wear.

Q: How does the angle of the load affect the hook bolt's capacity?

A: The load capacity of a hook bolt is significantly reduced when a load is applied at an angle rather than in a straight, vertical pull. The greater the angle, the lower the bolt's maximum safe load will be. For this reason, hook bolts should always be loaded in a straight line with the axis of the bolt.

As one of the leading carton steel extension hook bolt manufacturers in China, we warmly welcome you to buy cheap carton steel extension hook bolt made in China here from our factory. All expansion bolt products are with high quality and low price.

carton steel extension hook bolt, Grade 4 8 Carton Steel Extension Hook, expansion hook bolt