High Tensile Grade 4.6 Bolt

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Grade 4.6 Bolt Manufacturer and Supplier in Tunis, Tunisia

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Lina Fasteners is a trusted manufacturer and supplier located in Tunis, Tunisia, specializing in High Tensile Grade 4.6 Bolts designed for general-purpose and light structural applications. These bolts are crafted to meet international standards, striking a practical balance between strength, ductility, and cost-effectiveness. Using high-quality carbon steel, precise forming methods, and rigorous quality control, Lina Fasteners ensures that each bolt has consistent dimensions and reliable performance. Their products are widely used in construction, fabrication, light machinery, and maintenance sectors, with a commitment to providing economical fastening solutions, consistent quality, and prompt service.

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High Tensile Grade 4.6 Bolts are generally made from low to medium carbon steel and can be either as-rolled or lightly heat treated. They boast a minimum tensile strength of around 400 MPa, with a yield strength that’s about 60% of that tensile value. These bolts are known for their good ductility, ease of installation, and resistance to brittle failure. Grade 4.6 bolts are reliable under light to moderate loads in standard service conditions.

Grade 4.6 Bolts Chemical Composition

Strength class or grade

Material and heat treatment

Chemical composition (analysis on the product) %

Min. hardening temperature °C

min

max

4.6

Carbon steel

–

0,55

0,050

0,060

Not specif

Strength class or grade	Material and heat treatment	Chemical composition (analysis on the product) %					Min. hardening temperature °C
		C		P	S	B
		min	max	max	max	max
4.6	Carbon steel	–	0,55	0,050	0,060	Not specified	–

ied

–

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Grade 4.6 Bolts Mechanical Properties

Class/ Grade	Material	Proof stress	Yield strength (min.)	Tensile strength (min.)	Core hardness (Rockwell)
Grade 4.6	Low or medium carbon steel	225 Mpa	240 Mpa	400 Mpa	B67-95

Grade 4.6 Bolts Specifications

Dimensions	ASME B18.2.1, B18.3
Melt Origin	South America/East Europe/JapanKorea/
Product Origin	Made in India
Threads Configuration	ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads
Certification	Dual Certified As per ASTM & ASME Codes
Additional Certifications	PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Mandatory Requirements	Free from Mercury & Radioactive Contamination
Additional Requirements	NACE MR0103 / MR0175 / ISO 15156 Compliance

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Commited to High Quality Service

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.

High Tensile Grade 4.6 Bolts are frequently utilized in situations that require moderate strength and cost-effective fastening solutions. Common applications include light structural assemblies, machinery components, furniture manufacturing, automotive interiors, and general fabrication tasks. They are widely used in construction projects, workshops, maintenance activities, and equipment assembly where heavy loads aren’t anticipated. Grade 4.6 bolts provide secure fastening, are easy to handle, and offer economical performance, making them ideal for non-critical joints and everyday engineering applications.

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Types of Grade 4.6 Bolts

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.