Road Crash Barrier Bolt
Road crash barrier Bolt or Guard Rail Bolts are mainly used in the installation of Road Crash Barriers
on the road sides for the safety of Vehicles. These are critical fasteners that ensure the stability and effectiveness of crash barriers (guardrails) along highways, bridges, and other road infrastructure. These bolts are designed to with stand significant impact forces, protecting motorists and pedestrians by containing and redirecting errant vehicles.
Road crash barrier bolt are fasteners employed in assembling and retaining crash barrier members like W-beams, Thrie-beams, posts, spacers, and end terminals. They are essential for maintaining the structural properties and impact performance of the barrier system.
Types of Road crash Barrier Bolts
| Bolt Type | Standard | Use/Application |
|---|---|---|
| Carriage Bolt | DIN 603 | Attaching W-beam rails to spacer blocks or posts |
| Nib Bolt | DIN 607 | Alternative to carriage bolts; anti-rotation feature |
| Hex Bolt | ISO 4014 / DIN 931 | General structural connections |
| Anchor Bolts | Custom or ISO 898-1 | Fixing posts to concrete bases (bridges, terminals) |
Materaial Used: Carbon steel and boron steel are commonly used for crash barrier bolts.
Material Grades: Grade 4.6, 4.8, 5.6, 5.8, 8.8 or 10.9 steel (ISO 898-1) / A325 (USA) are Used.
-
Finishes: To enhance their durability and resistance to harsh outdoor conditions, bolts are often treated with protective coatings:
- Hot-dip galvanization (HDG): Hot DIp Galvanization of Road Crash Barrier Bolt coats it with a layer of zinc, providing superior corrosion resistance. This is a very common and highly effective finish for crash barrier bolts.
- Zinc plating on Rail guard Bolts: Another common coating for corrosion resistance.
- Self-color/Black: No additional coating, relies on the inherent properties of the steel.
-
Dacromet & Geomet: Road Crash barrier Bolt aare coated with Advanced anti-corrosion Decromet or Geomet coatings as per requirements.Role in Road Safety:The primary function of crash barrier Bolt is to securely fasten the Road Barrier (like W-beams or Thrie-beams) to posts and other structural elements. This secure connection is crucial for the barrier to:
- Absorb and redirect impact forces: Upon collision, the barrier system, including the bolts, deforms to absorb kinetic energy and guide the vehicle back onto the road.
- Prevent severe accidents: By keeping vehicles from veering off the road or into opposing traffic, crash barriers significantly reduce the severity of accidents.
- Maintain structural integrity: High-quality bolts ensure the barrier remains intact and functional even after multiple impacts, minimizing the risk of the barrier itself becoming a hazard.
Road crash barrier bolts are engineered components designed for strength, durability, and corrosion resistance, playing a vital role in the overall safety and performance of road infrastructure.
BRK Industries have All latest Infrastructure like Bolt making Making Machine, Thread Rolling Machine, Hot Forging press, Power Presses, Centerless Grinding Machine Etc.