China Guardrail screws on the highway, hot-dip galvanized Guardrail screw various specifications Manufacturer and Supplier

item	value
Material	HDG
Type	Bolt
Size	Customized
Place of Origin	HEBEI
Model Number	ISO
Material	Carbon Steel
Surface treatment	Hot Dip Galvanized
MOQ	1000pieces

Guardrail bolts are important connecting components used to fix guardrail structures.

From a material perspective, common types include carbon steel bolts and stainless steel bolts. Carbon steel bolts have high strength and relatively low cost, but they are prone to rusting in some humid or corrosive environments; Stainless steel bolts have good corrosion resistance and are suitable for harsh environments.

Structurally, guardrail bolts typically consist of two parts: the head and the screw. There are various shapes of the head, such as hexagonal head, round head, square head, etc., to facilitate the use of tools for fastening operations. There are threads on the screw, which are used to cooperate with the nut to achieve a tight connection.

In terms of performance, guardrail bolts need to have sufficient strength and fastening force to ensure that the guardrail will not loosen or fall off when subjected to external forces, ensuring the safety of personnel and vehicles.

The installation method is generally to first drill holes on the columns and crossbars of the guardrail, then thread the bolts through the holes, and tighten them with nuts.

When selecting guardrail bolts, factors such as the usage environment, load-bearing requirements, and installation conditions of the guardrail should be considered to ensure the selection of bolts with appropriate specifications and performance.

Choosing bolts suitable for guardrails requires comprehensive consideration of the following aspects:

1. Material of guardrail: If the guardrail is made of metal material, such as steel guardrail, high-strength carbon steel bolts can usually be selected. If it is an aluminum alloy or stainless steel guardrail, to avoid electrochemical corrosion, bolts similar to the guardrail material should be preferred, such as stainless steel bolts.

2. Environment for the use of guardrails: In humid, salt spray prone, or chemically corrosive environments (such as near the seaside or chemical plants), stainless steel bolts with good corrosion resistance or bolts that have undergone special anti-corrosion treatment should be selected.

3. Load bearing requirements: If the guardrail needs to withstand large impact forces or weights, such as highway guardrails, high-strength bolts need to be selected to ensure the stability of the connection.

4. Installation conditions: Consider the convenience of installation and space limitations. If the installation space is narrow, it may be necessary to choose bolts with smaller heads or special shapes; If installation is difficult, bolts with anti loosening design can be used.

5. Budget: The prices of bolts with different materials and properties may vary. On the premise of meeting the usage requirements, the selection should be based on the budget.

6. Maintenance requirements: If the later maintenance of the guardrail is difficult or the maintenance cost is high, high-quality and durable bolts should be selected to reduce maintenance frequency and cost.

7. Appearance requirements: In some places with high requirements for appearance, such as landscape guardrails, it may be necessary to choose bolts that have a beautiful appearance and match the overall style of the guardrail.

Taking into account the above factors, suitable bolts that match the specific situation of the guardrail can be selected to ensure its safety and stability.