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ISO 4014 grade 4.8, 6.8, and 8.8 zinc-plated hex bolt sets are perfect for indoor use. These high-quality bolts are designed to provide strong and reliable fastening for a wide range of applications. The zinc plating adds an extra layer of protection against corrosion, making them suitable for use in indoor environments where they may be exposed to moisture or humidity. Whether you're working on furniture assembly, DIY projects, or general repairs, these bolt sets are an excellent choice for secure and durable fastening. With their grade 4.8, 6.8, and 8.8 ratings, you can trust that these bolts will provide the strength and stability you need for your indoor projects.
Industry-specific attributes | Rockwell hardness | HRC 33-39 | |
Finish | ZINC | Tensile strength | 150-173 ksi |
Material | Steel | Yield strength | Min. 130 ksi |
Other attributes | Surface treatment | Black oxide , Hot-dip galvanized | |
Place of Origin | China | Head Mark | We can mark the customers' abbreviations, such as "T 4" "T8" etc |
Brand Name | OEM | Certificate | ISO9001;CE,3-1 CERTIFICATES |
Model Number | 100054 | Appearance | Bright neat body, without any burrs |
* * Grade 8.8 black high strength steel structure: an excellent choice of engineering machinery fasteners * *
When we talk about construction machinery fasteners, the 8.8 grade black high strength steel structure outer hexagon screw is undoubtedly the best among many choices. This screw not only has a very high strength, but also shows the exquisite technology and quality in the details.
First, let's start with its surface treatment. This screw is blackened, and the surface presents a deep black, which not only improves the overall appearance texture, but also enhances its corrosion resistance. In the complex and changeable construction machinery environment, this corrosion resistance enables the screws to maintain a stable performance for a long time, not easy to rust or damage.
Secondly, from the material, 8.8 grade black high strength steel structure hexagon screw is made of top alloy steel. This kind of steel not only has excellent strength and hardness, but also has excellent fatigue resistance. Even when under high strength pressure and tension, it can maintain stable performance, not easy to break or damage.
In addition, its unique external hexagonal shape design is also a major highlight of this screw. This design makes the screw extremely convenient during the installation and disassembly, which not only improves the work efficiency, but also reduces the operation difficulty. Whether in a busy construction site or in a precision repair workshop, this screw can easily cope with various installation requirements.
For the construction machinery, the selection of the fasteners is crucial. A high-quality fastener can not only ensure the stability and safety of the machinery, but also reduce maintenance costs and improve the service life. The 8.8 grade black high strength steel structure outer hexagonal screw is just such a fastener that can meet these needs. With its excellent performance, stable quality and convenient use way, it has won the favor and praise of the majority of users.
To sum up, the 8.8 grade black high strength steel structure outer hexagon screw has established a good reputation in the field of construction machinery fasteners with its excellent durability, stability and ease of use. Whether in the construction site of new projects, or in the maintenance of old equipment, it can play an excellent performance, to provide a solid guarantee for the stable operation of construction machinery.