Expansion Shell Rock Bolt

Industrial-grade expansion shell rock bolts for railway bridges and tunnels. Available in M6-M20 sizes with ±0.01mm precision tolerance. Made from steel, stainless steel, or custom materials with ISO9001 and SGS certifications. Features 100% quality inspection and multiple surface treatment options for durable infrastructure applications.

High-capacity M24 expansion shell assembly featuring left-hand thread design and zinc electroplating with gold passivation for superior corrosion resistance. ISO-compliant steel construction with dual-point expansion mechanism for secure anchoring in concrete, brick, and block materials. Customizable options available for specialized industrial applications.

Product Description: The Expansion Shell Rock Bolt is made from high-grade steel with a hardness of HRC38-48. This ensures that the rock bolt can withstand the stresses and strains of the most demanding applications. The surface of the rock bolt is treated with a special coating to protect it against corrosion. It is available in three different colors: silver, grey, and black. The Expansion Shell Rock Bolt has an ultimate load capacity of ≥200kN, which makes it suitable for

Product Description: This expansion anchor bolt is manufactured to meet international standards such as DIN, ASTM, ANSI, GB, JIS, BSW, and other industry-specific standards. This ensures that the product is of the highest quality and will deliver outstanding performance in the field. The Expansion Shell Rock Bolt is an expansion anchor type bolt that is designed to provide maximum holding power in rock and other solid materials. Its unique design allows it to expand and grip

Product Description: The Expansion Anchor Bolt features a unique expansion shell structure that allows for secure and reliable support. Its innovative design ensures that it can withstand even the toughest conditions, making it a reliable choice for any construction project. With a tensile strength of ≥500MPa, the Expansion Anchor Bolt is suitable for use in a variety of applications, from building and construction to mining and industrial projects. Its high corrosion

Product Description: The Expansion Shell Rock Bolt is designed with a three-leaf expansion shell, making it ideal for use in hard rock formations. It is also designed with a metric thread type, which makes it easy to install and remove using standard tools. The Expansion Shell Rock Bolt has a silver, grey, or black color, which makes it easy to identify and inspect during installation and use. The product is also designed with a hardness of HRC38-48, making it durable and

Product Description: One of the key features of the Expansion Shell Rock Bolt is its unique expansion mechanism. The three-leaf expansion shell is designed to provide maximum grip and hold in hard rock formations, ensuring that the bolt stays securely in place and can withstand the stresses and strains of mining and tunneling operations. This expansion shell anchor bolt three leaf design has been proven to be highly effective in a variety of applications, making it a popular

Product Description: One of the primary features of this Expansion Anchor Bolt is its high Ultimate Load capacity, which ensures that it can bear heavy loads with ease. The product is engineered to have an Ultimate Load of ≥200kN, which makes it an ideal choice for industrial and commercial applications where heavy-duty anchoring is required. This Expansion Anchor Bolt is also known for its exceptional hardness, which is measured on the HRC38-48 scale. The high level of

Product Description: The structure of the Expansion Shell Rock Bolt features a hollow steel bar with an expansion shell at one end. The expansion shell is made up of three leaves that are designed to expand and grip the surrounding rock when the bolt is tightened. This creates a secure anchor point that can withstand heavy loads and provide long-term stability. One of the key benefits of the Expansion Shell Rock Bolt is its high level of corrosion resistance. The bolt is

Product Description: Underground Mining Roof Support Expansion Shell As a professional manufacturer, we are pleased to provide our customers with Underground Mining Roof Support Expansion Shell. Not only are we committed to providing excellent after-sale service and timely delivery, but we proudly boast of the product’s strengths. The Expansion Shell is designed to be used as an independent or auxiliary roof support system for the roof and ribs in mine working areas alone.

Product Description: The Expansion Shell Rock Bolt is made from high-quality steel, ensuring its durability and long-lasting performance. The bolt's thread type is metric, which is a standard thread type widely used in the industry. It comes with hexagon head bolts that allow for easy installation and removal, making it a convenient choice for all your support needs. The Expansion Shell Rock Bolt is primarily used for supporting heavy loads and structures, making it an ideal

Product Description: Our Expansion Shell Rock Bolt is a bolt and nut assembly, which makes installation easy and efficient. The expansion mechanism of the bolt ensures a tight and secure fit, making it ideal for use in various environments. The expansion mechanism of our Expansion Shell Rock Bolt allows it to be used in structures with soft ground, hard rock, and even in areas with high water pressure. The steel used in the production of our Expansion Shell Rock Bolt is

Product Description: One of the key features of the Expansion Shell Rock Bolt is its metric thread type, which ensures that it can be easily installed and securely fastened. It also has a yield strength of ≥400MPa, which means that it can withstand heavy loads and stresses. The Expansion Shell Rock Bolt is made of high-quality steel that provides superior durability and strength. This makes it an ideal choice for securing structures in harsh environments that require high

Product Description: Our expansion anchor bolt is manufactured in compliance with various industry standards, including DIN, ASTM, ANSI, GB, JIS, BSW, and others. This ensures that our product is of the highest quality and meets the requirements of different industries. The Expansion Shell Rock Bolt offers exceptional corrosion resistance, thanks to the high-quality material used in its construction. This bolt and nut assembly is ideal for use in harsh environments, where

Product Description: The Expansion Shell Rock Bolt is a perfect solution for supporting structures in areas with hard rock formations. Its unique expansion shell structure allows it to anchor securely into the rock, providing excellent stability and holding power. It is ideal for use in mining, tunneling, and construction applications where stability and safety are paramount. The Expansion Shell Rock Bolt features a metric thread type that is compatible with a wide range of

Product Description: With a hardness of HRC38-48 and a tensile strength of ≥500MPa, this rock bolt is capable of withstanding heavy loads and extreme pressure. Thanks to its sturdy construction and high-quality materials, it is an ideal choice for use with hard rock drill bits. The Expansion Shell Rock Bolt is made from high-grade materials sourced from casting, ensuring consistent quality and durability. It is designed to be easy to install, with a simple and straightforward

Product Description: The Expansion Shell Rock Bolt is available in metric thread type, making it easy to install and compatible with a wide range of accessories. It meets international standards such as DIN, ASTM, ANSI, GB, JIS, BSW, and many others, ensuring that it meets the requirements of various industries and applications. This type of expansion anchor is installed by inserting it into the drilled hole and then expanding the shell by tightening the bolt and nut assembly

Product Description: Made from high-quality steel with a hardness rating of HRC38-48 and a minimum tensile strength of ≥500MPa, this expansion shell rock bolt is built to last and can withstand heavy loads and extreme conditions. Its unique design allows it to expand and grip the surrounding rock, providing a secure and stable anchor point that can support heavy loads and prevent rock movement. Whether you are working in a mining or tunneling environment, the Expansion Shell

Product Description: The Expansion Shell mechanism of this rock bolt allows for easy installation and expansion in hard rock formations. This makes it ideal for use in mining and tunneling projects where hard rock drill bits are used. The Hexagon Head Bolts of the Expansion Shell Rock Bolt make it easy to install and tighten in place. This feature ensures that the bolt remains firmly in place, providing a secure and stable support for the rock formation. The bolt and nut

Product Description: One of the key features of the Expansion Shell Rock Bolt is its high corrosion resistance. This makes it suitable for use in harsh environments where exposure to moisture and other corrosive elements is common. The bolt is available in silver, grey, and black colors, making it easy to match with various equipment and structures. The Expansion Shell Rock Bolt is designed with a three-leaf expansion shell anchor bolt, which enables it to provide a secure