English 
1.product introduction
Hexagon head bolt:Hexagon head bolt are a kind of metal fittings, also called hex screws or hex bolts.
2.Product parameter (specification)
v | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | ||
对边宽度（S) | 标准 | MAX | 5.50 | 7.00 | 8.00 | 10.00 | 13.00 | 17.00 | 19.00 | 22.00 | 24.00 | 27.00 | 30.00 | 32.00 | 36.00 |
MIN | 5.32 | 6.78 | 7.78 | 9.78 | 12.73 | 16.73 | 18.67 | 21.67 | 23.67 | 26.67 | 29.67 | 31.61 | 35.38 | ||
对角宽度（e) | MIN | 6.01 | 7.66 | 8.79 | 11.05 | 14.38 | 18.90 | 21.10 | 24.49 | 26.75 | 30.14 | 33.53 | 35.72 | 39.98 | |
头部高度（K) | 标准 | MAX | 2.12 | 2.92 | 3.65 | 4.15 | 5.45 | 6.58 | 7.68 | 8.98 | 10.18 | 11.72 | 12.72 | 14.22 | 15.22 |
MIN | 1.88 | 2.68 | 3.35 | 3.85 | 5.15 | 6.22 | 7.32 | 8.62 | 9.82 | 11.28 | 12.28 | 13.78 | 14.78 | ||
垫圈面厚度（C) | MAX | 0.40 | 0.40 | 0.50 | 0.50 | 0.60 | 0.60 | 0.60 | 0.60 | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | |
MIN | 0.30 | 0.30 | 0.35 | 0.35 | 0.40 | 0.40 | 0.40 | 0.40 | 0.60 | 0.60 | 0.60 | 0.60 | 0.60 | ||
支承面直径（dw) | MIN | 4.57 | 5.88 | 6.88 | 8.88 | 11.63 | 15.63 | 17.63 | 20.63 | 22.49 | 25.34 | 28.19 | 30.04 | 33.61 | |
有效径（dr) | MAX | 2.64 | 3.50 | 4.43 | 5.30 | 7.16 | 8.96 | 10.80 | 12.63 | 14.63 | 16.27 | 18.27 | 20.27 | 21.94 | |
MIN | 2.60 | 3.45 | 4.38 | 5.24 | 7.08 | 8.90 | 10.75 | 12.56 | 14.56 | 16.20 | 18.22 | 20.22 | 21.86 | ||
螺纹大径（d) | 标准 | MAX | 2.98 | 3.98 | 4.98 | 5.97 | 7.97 | 9.96 | 11.96 | 13.96 | 15.96 | 17.95 | 19.95 | 21.95 | 23.95 |
MIN | 2.88 | 3.84 | 4.83 | 5.80 | 7.76 | 9.74 | 11.70 | 13.69 | 15.69 | 17.63 | 19.63 | 21.63 | 23.58 |
3.Product feature and application
Hexagon head screw is widely used in many industries and has many uses in daily life, such as fixed installation on air conditioners and other equipment.
4.Production details
One of the standards for hexagon bolts is the grade standard, which is divided into grades 4.8 and 8.8. These two levels are particularly used in the market. Especially the 4.8 grade external hexagon bolts. Because it is much cheaper than the 8.8 grade hexagon bolt. Of course it is more widely used.
5.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.
6.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.
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
Hexagon head bolt:Hexagon head bolt are a kind of metal fittings, also called hex screws or hex bolts.
2.Product parameter (specification)
v | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | ||
对边宽度（S) | 标准 | MAX | 5.50 | 7.00 | 8.00 | 10.00 | 13.00 | 17.00 | 19.00 | 22.00 | 24.00 | 27.00 | 30.00 | 32.00 | 36.00 |
MIN | 5.32 | 6.78 | 7.78 | 9.78 | 12.73 | 16.73 | 18.67 | 21.67 | 23.67 | 26.67 | 29.67 | 31.61 | 35.38 | ||
对角宽度（e) | MIN | 6.01 | 7.66 | 8.79 | 11.05 | 14.38 | 18.90 | 21.10 | 24.49 | 26.75 | 30.14 | 33.53 | 35.72 | 39.98 | |
头部高度（K) | 标准 | MAX | 2.12 | 2.92 | 3.65 | 4.15 | 5.45 | 6.58 | 7.68 | 8.98 | 10.18 | 11.72 | 12.72 | 14.22 | 15.22 |
MIN | 1.88 | 2.68 | 3.35 | 3.85 | 5.15 | 6.22 | 7.32 | 8.62 | 9.82 | 11.28 | 12.28 | 13.78 | 14.78 | ||
垫圈面厚度（C) | MAX | 0.40 | 0.40 | 0.50 | 0.50 | 0.60 | 0.60 | 0.60 | 0.60 | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | |
MIN | 0.30 | 0.30 | 0.35 | 0.35 | 0.40 | 0.40 | 0.40 | 0.40 | 0.60 | 0.60 | 0.60 | 0.60 | 0.60 | ||
支承面直径（dw) | MIN | 4.57 | 5.88 | 6.88 | 8.88 | 11.63 | 15.63 | 17.63 | 20.63 | 22.49 | 25.34 | 28.19 | 30.04 | 33.61 | |
有效径（dr) | MAX | 2.64 | 3.50 | 4.43 | 5.30 | 7.16 | 8.96 | 10.80 | 12.63 | 14.63 | 16.27 | 18.27 | 20.27 | 21.94 | |
MIN | 2.60 | 3.45 | 4.38 | 5.24 | 7.08 | 8.90 | 10.75 | 12.56 | 14.56 | 16.20 | 18.22 | 20.22 | 21.86 | ||
螺纹大径（d) | 标准 | MAX | 2.98 | 3.98 | 4.98 | 5.97 | 7.97 | 9.96 | 11.96 | 13.96 | 15.96 | 17.95 | 19.95 | 21.95 | 23.95 |
MIN | 2.88 | 3.84 | 4.83 | 5.80 | 7.76 | 9.74 | 11.70 | 13.69 | 15.69 | 17.63 | 19.63 | 21.63 | 23.58 |
3.Product feature and application
Hexagon head screw is widely used in many industries and has many uses in daily life, such as fixed installation on air conditioners and other equipment.
4.Production details
One of the standards for hexagon bolts is the grade standard, which is divided into grades 4.8 and 8.8. These two levels are particularly used in the market. Especially the 4.8 grade external hexagon bolts. Because it is much cheaper than the 8.8 grade hexagon bolt. Of course it is more widely used.
5.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.
6.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.
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.
