High Strength and Reliability: Each hex nut is made from premium-quality alloy or carbon steel to meet the high tensile demands of prestressing applications. It ensures consistent performance under heavy loads and long-term structural stress. Accurate Threading: The internal threads are precisely machined to match the threaded bars, allowing smooth tightening and uniform stress distribution. This accuracy prevents thread damage and guarantees reliable engagement during the tensioning process. Corrosion Resistance: The surface is treated with zinc plating, black oxide, or hot-dip galvanizing to protect against rust and enhance durability. This makes the hex nut suitable for use in outdoor and harsh environments such as bridges and tunnels. Easy Installation: Designed for quick and efficient assembly, the hex nut can be easily tightened or removed using standard tools. This simplifies on-site operations and improves construction productivity. Wide Application: Hex nuts are commonly used with prestressed bars and anchor plates in bridge engineering, tunnel projects, high-rise buildings, and other large-scale infrastructure works.
Hex nut is an important part of thread bar accessory, it is used in all kinds of highway, railway, municipal construction, large Bridges, soil nailing, foundation pit anchoring, slope anchoring and other engineering construction. Hex Nuts are flat nuts and Spherical nuts, flat nut (upper nut), Spherical nut (lower nut). Commonly used specification is divided into 20 mm, 25 mm and 32 mm, 36 mm, 40 mm, commonly used materials are divided into 45 #, 40 cr material, hardness value is between 28 and 35.
Normal there are full hex nut and spherical hex nut used in construction. There is also lock nut, which is shorter and thinner than normal hex nut in the tensioning end.
Typical Application:
Flat nut is often used for fixed end, Spherical nut is often used for tension end.
Dmm
Smm
Hmm
Dmm
KG
15
32
45
37
0.21
20
32
45
37
0.17
25
50
60
58
0.7
28
50
60
58
0.7
32
60
72
69
1.2
36
65
80
75
1.45
40
70
100
81
2
50
80
110
92
3.1
About Us
Handan Xingming Fastener Co., Ltd., established in 2015, is a company specializing in the production and supply of high-quality building materials, focused on providing premium products for infrastructure projects. Our product range includes high strength hot-rolled thread bar and formwork accessories,such as domed,spherical&flat hex nut, spacer,coupler,bearing plate and epoxy coating which are widely used in bridge engineering, tunnel engineering, and other critical infrastructure fields.
Over the years, our company has built a strong reputation through high-performance products and excellent service. We are committed to innovation, sustainable development, and continuous improvement, striving to contribute to global infrastructure development.
