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Guard Rail Bolt/Crash Barrier Bolt

Guard Rail Bolts, also known as Crash Barrier Bolts, are the unsung heroes of road safety. Designed to firmly secure metal barriers, these bolts play a critical role in preventing accidents by keeping guard rails intact during high-impact scenarios. Manufactured with precision and durability, these bolts are crafted to meet international standards, including EN and ISO, ensuring maximum safety on highways, bridges, and industrial zones. At Pankaj International, we don’t just make fasteners—we engineer trust and safety into every bolt.

Size Range
Diameter Metric: M8 to M20
Inch: 5/16" to 3/4"
Length Metric: 20 mm to 300 mm
Inch: 1" to 8"
Technical Specifications


SizeTotal LengthThread Length
5/8"-11x1 1/4"29.75-33.25Full Thread
5/8"-11x2"48.80-52.30Full Thread
5/8"-11x2"
99.10-103.60Full Thread
5/8"-11x2"
198.70-206.70152.40 min.
5/8"-11x2"
249.50-257.50152.40 min.
5/8"-11x2"
300.30-308.30152.40 min.
5/8"-11x2"
351.10-359.10152.40 min.
5/8"-11x2"
401.90-409.90152.40 min.
5/8"-11x2"
452.70-460.70152.40 min.


Tensile StrengthSize RangeEquivalent Standards
Property ClassDiameterLength
PSIN/mm2GradeMetricInchMetricInchISISODINBSANSIJIS
60000 to 174000400 to 12004.6 to 12.9M8 to M205/16“ to 3/4"20 mm to 200 mm1" to 8"-86776034933--



1. The Backbone of Road Safety


Every journey starts with safety, and Guard Rail Bolts are pivotal in maintaining it. These bolts are designed for impact-resistant fastening, ensuring that guard rails hold steady even in extreme conditions. From securing crash barriers on highways to overpasses, they offer unmatched reliability, ensuring peace of mind for motorists worldwide. Crafted with precision, these bolts play an essential role in saving lives by preventing rail displacement during accidents.


2. Designed to Withstand Extreme Conditions


Roads don’t stop at fair weather, and neither should your fasteners. At Pankaj International, our Crash Barrier Bolts are manufactured using high-strength steel and treated with zinc coatings to resist corrosion, rust, and environmental damage. Whether facing salty coastal air or freezing mountain climates, these bolts maintain their integrity, making them ideal for long-term use.


3. Compliance with Global Standards


Safety has no shortcuts, and neither do we. Our Guard Rail Bolts meet or exceed standards such as EN , DIN , and ISO , ensuring top-tier performance. These bolts come in a variety of finishes like galvanized, hot-dipped, or even customized coatings based on project needs. Trusted by governments and contractors worldwide, these bolts deliver what your infrastructure demands—reliability and strength.


4. Versatility Across Industries


While their primary use is in crash barriers, Guard Rail Bolts have found applications in diverse sectors. Be it securing rails for parking lots, industrial plants, or construction sites, their versatility and strength shine through. They’re also increasingly used in renewable energy projects, such as wind turbines, where safety and precision fastening are paramount.


5. Precision and Trust by Pankaj International


At Pankaj International, we pride ourselves on producing the best fasteners in India. Our Guard Rail Bolts are precision-engineered, tested rigorously, and backed by a brand synonymous with quality. Whether you’re building a smart highway or a rail bridge, our bolts are the dependable choice. With an emphasis on custom solutions and quick delivery, we’re here to keep your projects on track—literally.

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Pankaj International is an ISO Certified Nationwide Manufacturer of Stocked and Custom Nuts, Bolts and Fasteners

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