English 
1.product introduction
According to relevant standards, the performance grades of carbon steel and alloy steel bolts are divided into more than 10 grades, including 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, and 12.9. Among them, bolts of grade 8.8 and above are made of low carbon alloy steel or medium Carbon steel and heat treatment (quenching, tempering) are commonly known as high-strength bolts, and the others are commonly known as ordinary bolts.
2.Product parameter (specification)
3.Production details
4.8 8.8 grade Galvanized bolt has anti-corrosion and durability. Due to the surface being covered with a layer of zinc, galvanized bolts have a longer service life in humid or corrosive environments
4.Production qualification
Our factory mainly produces stainless steel fasteners and various non-standard customized stainless steel products. We have more than 10 technical patent certificates, as well as CE certification, SAC / TC 85, ISO90001, CQM quality certification standard certificates and so on.
5.Deliver shipping and serving
Package: Cartons & pallets or according to customer's requirement.
We will use cartons and cartons for packaging. Then wooden pallets and wooden boxes will be used for outer packaging. If customers have special packaging requirements, we will do packaging according to customer needs.
6.Our services and advantages
1. We are a factory and we have the right and strength to design and produce.
2. Hex head bolt samples are free.
3. We will answer your inquiry within 24 hours.
4. After sending, we will track the product for you every two days until you get the product.
5. When you receive the goods, test them and give me feedback. If you have any questions about our goods, we will provide you with solutions.
1.product introduction
According to relevant standards, the performance grades of carbon steel and alloy steel bolts are divided into more than 10 grades, including 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, and 12.9. Among them, bolts of grade 8.8 and above are made of low carbon alloy steel or medium Carbon steel and heat treatment (quenching, tempering) are commonly known as high-strength bolts, and the others are commonly known as ordinary bolts.
2.Product parameter (specification)
3.Production details
4.8 8.8 grade Galvanized bolt has anti-corrosion and durability. Due to the surface being covered with a layer of zinc, galvanized bolts have a longer service life in humid or corrosive environments
4.Production qualification
Our factory mainly produces stainless steel fasteners and various non-standard customized stainless steel products. We have more than 10 technical patent certificates, as well as CE certification, SAC / TC 85, ISO90001, CQM quality certification standard certificates and so on.
5.Deliver shipping and serving
Package: Cartons & pallets or according to customer's requirement.
We will use cartons and cartons for packaging. Then wooden pallets and wooden boxes will be used for outer packaging. If customers have special packaging requirements, we will do packaging according to customer needs.
6.Our services and advantages
1. We are a factory and we have the right and strength to design and produce.
2. Hex head bolt samples are free.
3. We will answer your inquiry within 24 hours.
4. After sending, we will track the product for you every two days until you get the product.
5. When you receive the goods, test them and give me feedback. If you have any questions about our goods, we will provide you with solutions.
