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Brian Fasteners, located in Houston, USA, has built a solid reputation as a reliable manufacturer and supplier of High Tensile Grade 4.6 Bolts. They’re well-known for providing top-notch fastener solutions across a variety of industries. With a keen emphasis on durability and precision engineering, the company offers Grade 4.6 bolts that adhere to global standards for strength and performance. Brian Fasteners prides itself on exceptional customer service and dependable delivery schedules, making them a go-to partner for construction, automotive, and infrastructure projects. Their dedication to quality ensures that every bolt performs consistently, even in tough environments.
High Tensile Grade 4.6 Bolts are generally made from medium carbon steel, striking a great balance between strength and ductility. These bolts boast a tensile strength of about 400 MPa and a yield strength of around 240 MPa, making them perfect for general-purpose fastening where extreme stress resistance isn’t a must. Their mechanical properties facilitate easy machining and provide moderate corrosion resistance when treated on the surface. Often, these bolts are zinc-plated or galvanized to boost their durability and lifespan in various environmental conditions.
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Strength class or grade |
Material and heat treatment |
Chemical composition (analysis on the product) % |
Min. hardening temperature °C |
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C |
P |
S |
B |
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min |
max |
max |
max |
max |
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4.6 |
Carbon steel |
– |
0,55 |
0,050 |
0,060 |
Not specif
ied |
– |
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Class/ Grade |
Material |
Proof stress |
Yield strength (min.) |
Tensile strength (min.) |
Core hardness (Rockwell) |
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Grade 4.6 |
Low or medium carbon steel |
225 Mpa |
240 Mpa |
400 Mpa |
B67-95 |
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Dimensions |
ASME B18.2.1, B18.3 |
|---|---|
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Melt Origin |
South America/East Europe/JapanKorea/ |
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Product Origin |
Made in India |
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Threads Configuration |
ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads |
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Certification |
Dual Certified As per ASTM & ASME Codes |
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Additional Certifications |
PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
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Mandatory Requirements |
Free from Mercury & Radioactive Contamination |
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Additional Requirements |
NACE MR0103 / MR0175 / ISO 15156 Compliance |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
You’ll find High Tensile Grade 4.6 Bolts commonly used in both structural and non-critical applications, thanks to their reliable strength and cost-effectiveness. They’re ideal for light to medium-duty engineering tasks, such as assembling machinery, automotive components, and metal frameworks. In the construction industry, they play a crucial role in securing steel structures, fencing, and equipment mounting. Their versatility extends to furniture manufacturing and DIY projects, where dependable yet moderate tensile strength is needed. These bolts provide an economical fastening solution for both indoor and outdoor applications, especially when they’re protected against corrosion.
Our Grade 4.6 bolts are carefully packed to prevent wear and tear during delivery. Standard export packaging is made of wooden boxes or bottles that meet international packaging standards for export. Grade, Size, and Lot No. Each bolt is marked with a symbol. We provide customized symbols for the products at the customer’s request. For quality assurance and regulatory compliance, we issue professional test certificates per EN 10204-3.1, EN 10204-3.2, raw material certificates, NABL-approved laboratory test reports, 100% radiography test reports, and third-party inspection reports.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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